diff --git a/data/mesh_ingestor/config.py b/data/mesh_ingestor/config.py
index e5849c9..eefd70c 100644
--- a/data/mesh_ingestor/config.py
+++ b/data/mesh_ingestor/config.py
@@ -47,6 +47,9 @@ DEFAULT_ENERGY_SLEEP_SECS = float(6 * 60 * 60)
 DEFAULT_INGESTOR_HEARTBEAT_SECS = float(60 * 60)
 """Interval between ingestor heartbeat announcements."""
 
+DEFAULT_SELF_NODE_REPORT_INTERVAL_SECS = float(60 * 60)
+"""Interval between periodic forced self-node re-reports from the daemon."""
+
 CONNECTION = os.environ.get("CONNECTION")
 """Optional connection target for the mesh interface.
 
@@ -154,6 +157,7 @@ _INACTIVITY_RECONNECT_SECS = DEFAULT_INACTIVITY_RECONNECT_SECS
 _ENERGY_ONLINE_DURATION_SECS = DEFAULT_ENERGY_ONLINE_DURATION_SECS
 _ENERGY_SLEEP_SECS = DEFAULT_ENERGY_SLEEP_SECS
 _INGESTOR_HEARTBEAT_SECS = DEFAULT_INGESTOR_HEARTBEAT_SECS
+_SELF_NODE_REPORT_INTERVAL_SECS = DEFAULT_SELF_NODE_REPORT_INTERVAL_SECS
 
 
 def _debug_log(
@@ -209,5 +213,6 @@ __all__ = [
     "_ENERGY_ONLINE_DURATION_SECS",
     "_ENERGY_SLEEP_SECS",
     "_INGESTOR_HEARTBEAT_SECS",
+    "_SELF_NODE_REPORT_INTERVAL_SECS",
     "_debug_log",
 ]
diff --git a/data/mesh_ingestor/daemon.py b/data/mesh_ingestor/daemon.py
index bb1785d..1bb7cbe 100644
--- a/data/mesh_ingestor/daemon.py
+++ b/data/mesh_ingestor/daemon.py
@@ -264,6 +264,7 @@ class _DaemonState:
     last_inactivity_reconnect: float | None = None
     ingestor_announcement_sent: bool = False
     announced_target: bool = False
+    last_self_node_report: float | None = None
 
 
 # ---------------------------------------------------------------------------
@@ -309,6 +310,7 @@ def _try_connect(state: _DaemonState) -> bool:
         ingestors.set_ingestor_node_id(handlers.host_node_id())
         state.retry_delay = max(0.0, config._RECONNECT_INITIAL_DELAY_SECS)
         state.initial_snapshot_sent = False
+        state.last_self_node_report = None
         if not state.announced_target and state.resolved_target:
             config._debug_log(
                 "Using mesh interface",
@@ -387,6 +389,7 @@ def _check_energy_saving(state: _DaemonState) -> bool:
     state.iface = None
     state.announced_target = False
     state.initial_snapshot_sent = False
+    state.last_self_node_report = None
     state.energy_session_deadline = None
     _energy_sleep(state, reason)
     return True
@@ -507,11 +510,59 @@ def _check_inactivity_reconnect(state: _DaemonState) -> bool:
     state.iface = None
     state.announced_target = False
     state.initial_snapshot_sent = False
+    state.last_self_node_report = None
     state.energy_session_deadline = None
     state.iface_connected_at = None
     return True
 
 
+# ---------------------------------------------------------------------------
+# Periodic self-node report helper
+# ---------------------------------------------------------------------------
+
+
+def _try_send_self_node(state: _DaemonState) -> None:
+    """Re-upsert the host self-node when the provider supports it.
+
+    Called once immediately after the initial snapshot and then at most once
+    per :data:`~data.mesh_ingestor.config._SELF_NODE_REPORT_INTERVAL_SECS`.
+    This ensures the self-node's protocol and radio metadata are refreshed
+    even when the ingestor heartbeat races ahead of the first SELF_INFO event
+    (meshcore) or when the protocol never sends periodic NODEINFO for itself.
+
+    Parameters:
+        state: Current daemon loop state.
+
+    Returns:
+        ``None``.  Errors are logged and suppressed so a single failure does
+        not break the main loop.
+    """
+    self_node_fn = getattr(state.provider, "self_node_item", None)
+    if not callable(self_node_fn):
+        return
+    try:
+        item = self_node_fn(state.iface)
+        if item is None:
+            return
+        node_id, node = item
+        handlers.upsert_node(node_id, node)
+        state.last_self_node_report = time.monotonic()
+        config._debug_log(
+            "Sent periodic self-node report",
+            context="daemon.self_node",
+            severity="info",
+            node_id=node_id,
+        )
+    except Exception as exc:
+        config._debug_log(
+            "Self-node re-report failed",
+            context="daemon.self_node",
+            severity="warn",
+            error_class=exc.__class__.__name__,
+            error_message=str(exc),
+        )
+
+
 # ---------------------------------------------------------------------------
 # Loop iteration helper
 # ---------------------------------------------------------------------------
@@ -540,6 +591,15 @@ def _loop_iteration(state: _DaemonState) -> bool:
     state.ingestor_announcement_sent = _process_ingestor_heartbeat(
         state.iface, ingestor_announcement_sent=state.ingestor_announcement_sent
     )
+    # Periodically re-upsert the host self-node so that its protocol and radio
+    # metadata are corrected after the ingestor heartbeat is registered, and
+    # kept fresh for protocols (e.g. meshcore) that only emit SELF_INFO once.
+    _now = time.monotonic()
+    if state.initial_snapshot_sent and (
+        state.last_self_node_report is None
+        or _now - state.last_self_node_report >= config._SELF_NODE_REPORT_INTERVAL_SECS
+    ):
+        _try_send_self_node(state)
     state.retry_delay = max(0.0, config._RECONNECT_INITIAL_DELAY_SECS)
     return False
 
@@ -644,6 +704,7 @@ __all__ = [
     "_process_ingestor_heartbeat",
     "_subscribe_receive_topics",
     "_try_connect",
+    "_try_send_self_node",
     "_try_send_snapshot",
     "main",
 ]
diff --git a/data/mesh_ingestor/handlers/_state.py b/data/mesh_ingestor/handlers/_state.py
index cd79b67..420c5f1 100644
--- a/data/mesh_ingestor/handlers/_state.py
+++ b/data/mesh_ingestor/handlers/_state.py
@@ -45,6 +45,18 @@ every packet would overwrite the host's profile too aggressively; this window
 throttles updates to at most once per hour.
 """
 
+_host_nodeinfo_last_seen: float | None = None
+"""Monotonic timestamp of the last accepted host NODEINFO upsert."""
+
+_HOST_NODEINFO_INTERVAL_SECS: int = 60 * 60
+"""Minimum interval (seconds) between accepted host NODEINFO upserts.
+
+The meshtastic library re-broadcasts the local node's NODEINFO to the mesh
+periodically.  Accepting every broadcast would overwrite the host node record
+too aggressively; this window throttles self-NODEINFO upserts to at most once
+per hour.
+"""
+
 # ---------------------------------------------------------------------------
 # Packet receipt tracking
 # ---------------------------------------------------------------------------
@@ -69,10 +81,11 @@ def register_host_node_id(node_id: str | None) -> None:
             the current host assignment.
     """
 
-    global _host_node_id, _host_telemetry_last_rx
+    global _host_node_id, _host_telemetry_last_rx, _host_nodeinfo_last_seen
     canonical = _canonical_node_id(node_id)
     _host_node_id = canonical
     _host_telemetry_last_rx = None
+    _host_nodeinfo_last_seen = None
     if canonical:
         config._debug_log(
             "Registered host device node id",
@@ -128,6 +141,35 @@ def _host_telemetry_suppressed(rx_time: int) -> tuple[bool, int]:
     return True, int(math.ceil(remaining_secs / 60.0))
 
 
+def _host_nodeinfo_suppressed(now: float) -> bool:
+    """Return ``True`` when a host NODEINFO upsert should be suppressed.
+
+    Self-NODEINFO upserts are throttled to at most once per
+    :data:`_HOST_NODEINFO_INTERVAL_SECS` to prevent the meshtastic library's
+    periodic rebroadcast from overwriting the host node record too aggressively.
+
+    Parameters:
+        now: Current :func:`time.monotonic` value.
+
+    Returns:
+        ``True`` when the request should be dropped; ``False`` when it should
+        proceed.
+    """
+    if _host_nodeinfo_last_seen is None:
+        return False
+    return (now - _host_nodeinfo_last_seen) < _HOST_NODEINFO_INTERVAL_SECS
+
+
+def _mark_host_nodeinfo_seen(now: float) -> None:
+    """Record that a host NODEINFO upsert was accepted.
+
+    Parameters:
+        now: Current :func:`time.monotonic` value from the accepted upsert.
+    """
+    global _host_nodeinfo_last_seen
+    _host_nodeinfo_last_seen = now
+
+
 def last_packet_monotonic() -> float | None:
     """Return the monotonic timestamp of the most recently processed packet.
 
@@ -147,8 +189,11 @@ def _mark_packet_seen() -> None:
 
 
 __all__ = [
+    "_HOST_NODEINFO_INTERVAL_SECS",
     "_HOST_TELEMETRY_INTERVAL_SECS",
+    "_host_nodeinfo_suppressed",
     "_host_telemetry_suppressed",
+    "_mark_host_nodeinfo_seen",
     "_mark_host_telemetry_seen",
     "_mark_packet_seen",
     "host_node_id",
diff --git a/data/mesh_ingestor/handlers/nodeinfo.py b/data/mesh_ingestor/handlers/nodeinfo.py
index 8d1640f..f63cfd7 100644
--- a/data/mesh_ingestor/handlers/nodeinfo.py
+++ b/data/mesh_ingestor/handlers/nodeinfo.py
@@ -76,6 +76,21 @@ def store_nodeinfo_packet(packet: Mapping, decoded: Mapping) -> None:
     if node_id is None:
         return
 
+    # Throttle self-NODEINFO upserts to at most once per hour.  The meshtastic
+    # library rebroadcasts the local node's NODEINFO periodically; accepting
+    # every broadcast would overwrite the host node record too aggressively.
+    if node_id == _state.host_node_id():
+        _now = time.monotonic()
+        if _state._host_nodeinfo_suppressed(_now):
+            if config.DEBUG:
+                config._debug_log(
+                    "Suppressed host self-NODEINFO update within throttle window",
+                    context="handlers.store_nodeinfo",
+                    node_id=node_id,
+                )
+            return
+        _state._mark_host_nodeinfo_seen(_now)
+
     node_payload: dict = {}
     if user_dict:
         node_payload["user"] = user_dict
diff --git a/data/mesh_ingestor/protocols/meshcore.py b/data/mesh_ingestor/protocols/meshcore.py
index dd8360a..293322f 100644
--- a/data/mesh_ingestor/protocols/meshcore.py
+++ b/data/mesh_ingestor/protocols/meshcore.py
@@ -466,6 +466,8 @@ class _MeshcoreInterface:
         # which may cause extra upserts after a disconnect — the ON CONFLICT guard
         # in the Ruby web app ensures those are idempotent and safe.
         self._synthetic_node_ids: set[str] = set()
+        self._self_info_payload: dict | None = None
+        """Most recent SELF_INFO payload received from the device, or ``None``."""
 
     # ------------------------------------------------------------------
     # Contact management (called from the asyncio thread)
@@ -650,15 +652,15 @@ def _process_self_info(
         handlers: Module reference for :func:`~data.mesh_ingestor.handlers`
             functions (passed to avoid circular-import issues).
     """
+    # Cache the payload so node_snapshot_items / self_node_item can use it later.
+    iface._self_info_payload = payload
+
     pub_key = payload.get("public_key", "")
     node_id = _meshcore_node_id(pub_key)
-    if node_id:
-        iface.host_node_id = node_id
-        handlers.register_host_node_id(node_id)
-        handlers.upsert_node(node_id, _self_info_to_node_dict(payload))
 
-    # Capture radio metadata once — never overwrite a previously cached value.
-    # Mirrors the guard used by interfaces._ensure_radio_metadata for Meshtastic.
+    # Capture radio metadata BEFORE upserting the node so that
+    # _apply_radio_metadata_to_nodes finds populated values on the very first
+    # SELF_INFO.  Never overwrite a previously cached value.
     radio_freq = payload.get("radio_freq")
     if radio_freq is not None and getattr(config, "LORA_FREQ", None) is None:
         config.LORA_FREQ = radio_freq
@@ -667,6 +669,12 @@ def _process_self_info(
     )
     if modem_preset is not None and getattr(config, "MODEM_PRESET", None) is None:
         config.MODEM_PRESET = modem_preset
+
+    if node_id:
+        iface.host_node_id = node_id
+        handlers.register_host_node_id(node_id)
+        handlers.upsert_node(node_id, _self_info_to_node_dict(payload))
+
     config._debug_log(
         "MeshCore radio metadata captured",
         context="meshcore.self_info.radio",
@@ -1146,9 +1154,37 @@ class MeshcoreProvider:
         """
         return getattr(iface, "host_node_id", None)
 
+    def self_node_item(self, iface: object) -> tuple[str, dict] | None:
+        """Return the ``(node_id, node_dict)`` pair for the host self-node.
+
+        Uses the most recently cached ``SELF_INFO`` payload stored on the
+        interface.  Returns ``None`` when no SELF_INFO has been received yet
+        or when the public key cannot be mapped to a valid node ID.
+
+        Parameters:
+            iface: Active :class:`_MeshcoreInterface` instance.
+
+        Returns:
+            ``(canonical_node_id, node_dict)`` tuple or ``None``.
+        """
+        if not isinstance(iface, _MeshcoreInterface):
+            return None
+        payload = getattr(iface, "_self_info_payload", None)
+        if not payload:
+            return None
+        node_id = _meshcore_node_id(payload.get("public_key", ""))
+        if not node_id:
+            return None
+        return node_id, _self_info_to_node_dict(payload)
+
     def node_snapshot_items(self, iface: object) -> list[tuple[str, dict]]:
         """Return a snapshot of all known MeshCore contacts as node entries.
 
+        Includes the host self-node when a ``SELF_INFO`` payload has already
+        been received, so that the initial snapshot sent by the daemon
+        covers the local device even when the background event loop delivers
+        ``SELF_INFO`` before the snapshot is taken.
+
         Parameters:
             iface: Active :class:`_MeshcoreInterface` instance.  Any other
                 object type causes an empty list to be returned.
@@ -1159,7 +1195,11 @@ class MeshcoreProvider:
         """
         if not isinstance(iface, _MeshcoreInterface):
             return []
-        return iface.contacts_snapshot()
+        items: list[tuple[str, dict]] = list(iface.contacts_snapshot())
+        self_item = self.self_node_item(iface)
+        if self_item is not None:
+            items.append(self_item)
+        return items
 
 
 __all__ = ["MeshcoreProvider"]
diff --git a/tests/test_daemon_unit.py b/tests/test_daemon_unit.py
index 1bb800d..5dfe439 100644
--- a/tests/test_daemon_unit.py
+++ b/tests/test_daemon_unit.py
@@ -1087,3 +1087,230 @@ def test_check_inactivity_reconnect_elapsed_triggers(monkeypatch):
     # latest_activity = iface_connected_at(0.0); elapsed = 100s > 30s → trigger
     result = daemon._check_inactivity_reconnect(state)
     assert result is True
+
+
+# ---------------------------------------------------------------------------
+# _try_send_self_node
+# ---------------------------------------------------------------------------
+
+
+def test_try_send_self_node_skips_when_no_method():
+    """_try_send_self_node does nothing when provider has no self_node_item."""
+
+    class _NoSelfNode:
+        pass
+
+    state = _make_state()
+    state.provider = _NoSelfNode()  # type: ignore[assignment]
+    state.iface = DummyInterface()
+    # Should not raise; last_self_node_report stays None.
+    daemon._try_send_self_node(state)
+    assert state.last_self_node_report is None
+
+
+def test_try_send_self_node_skips_when_item_is_none(monkeypatch):
+    """_try_send_self_node does nothing when self_node_item returns None."""
+
+    class _NullSelfNode:
+        def self_node_item(self, iface):
+            return None
+
+    upserted = []
+    monkeypatch.setattr(
+        daemon.handlers, "upsert_node", lambda nid, n: upserted.append(nid)
+    )
+
+    state = _make_state()
+    state.provider = _NullSelfNode()  # type: ignore[assignment]
+    state.iface = DummyInterface()
+    daemon._try_send_self_node(state)
+
+    assert upserted == []
+    assert state.last_self_node_report is None
+
+
+def test_try_send_self_node_calls_upsert_and_sets_timestamp(monkeypatch):
+    """_try_send_self_node upserts the self-node and records the timestamp."""
+
+    class _GoodSelfNode:
+        def self_node_item(self, iface):
+            return "!aabbccdd", {"user": {"longName": "Host"}}
+
+    upserted = []
+    monkeypatch.setattr(
+        daemon.handlers, "upsert_node", lambda nid, n: upserted.append(nid)
+    )
+    monkeypatch.setattr(daemon.config, "_debug_log", lambda *_a, **_k: None)
+    fixed_time = 5000.0
+    monkeypatch.setattr(daemon.time, "monotonic", lambda: fixed_time)
+
+    state = _make_state()
+    state.provider = _GoodSelfNode()  # type: ignore[assignment]
+    state.iface = DummyInterface()
+    daemon._try_send_self_node(state)
+
+    assert upserted == ["!aabbccdd"]
+    assert state.last_self_node_report == fixed_time
+
+
+def test_try_send_self_node_upsert_error_suppressed(monkeypatch):
+    """_try_send_self_node suppresses upsert errors and does not update timestamp."""
+
+    class _GoodSelfNode:
+        def self_node_item(self, iface):
+            return "!aabbccdd", {}
+
+    def _raise(*_a, **_k):
+        raise RuntimeError("network error")
+
+    monkeypatch.setattr(daemon.handlers, "upsert_node", _raise)
+    logged = []
+    monkeypatch.setattr(daemon.config, "_debug_log", lambda *a, **kw: logged.append(kw))
+
+    state = _make_state()
+    state.provider = _GoodSelfNode()  # type: ignore[assignment]
+    state.iface = DummyInterface()
+    # Must not raise.
+    daemon._try_send_self_node(state)
+
+    assert state.last_self_node_report is None
+    assert any(c.get("context") == "daemon.self_node" for c in logged)
+
+
+def test_try_send_self_node_self_node_item_error_suppressed(monkeypatch):
+    """_try_send_self_node suppresses errors raised by self_node_item itself."""
+
+    class _BrokenSelfNode:
+        def self_node_item(self, iface):
+            raise RuntimeError("provider error")
+
+    logged = []
+    monkeypatch.setattr(daemon.config, "_debug_log", lambda *a, **kw: logged.append(kw))
+
+    state = _make_state()
+    state.provider = _BrokenSelfNode()  # type: ignore[assignment]
+    state.iface = DummyInterface()
+    # Must not raise.
+    daemon._try_send_self_node(state)
+
+    assert state.last_self_node_report is None
+    assert any(c.get("context") == "daemon.self_node" for c in logged)
+
+
+# ---------------------------------------------------------------------------
+# _loop_iteration — periodic self-node report
+# ---------------------------------------------------------------------------
+
+
+def _make_self_node_provider(node_item=("!aabbccdd", {"user": {}})):
+    """Return a minimal provider stub that exposes ``self_node_item``."""
+
+    class _SelfNodeProvider:
+        name = "test"
+
+        def subscribe(self):
+            return []
+
+        def node_snapshot_items(self, iface):
+            return []
+
+        def self_node_item(self, iface):
+            return node_item
+
+    return _SelfNodeProvider()
+
+
+def _patch_loop_iteration_common(monkeypatch, *, now=100.0):
+    """Apply monkeypatches shared by all _loop_iteration self-node tests."""
+    monkeypatch.setattr(daemon.handlers, "last_packet_monotonic", lambda: None)
+    monkeypatch.setattr(daemon.config, "_debug_log", lambda *_a, **_k: None)
+    monkeypatch.setattr(daemon.config, "_SELF_NODE_REPORT_INTERVAL_SECS", 3600.0)
+    monkeypatch.setattr(daemon.time, "monotonic", lambda: now)
+    monkeypatch.setattr(
+        daemon,
+        "_process_ingestor_heartbeat",
+        lambda iface, **kw: kw.get("ingestor_announcement_sent", False),
+    )
+
+
+def test_loop_iteration_triggers_self_node_report_immediately_after_snapshot(
+    monkeypatch,
+):
+    """Self-node report fires on the first iteration after the initial snapshot."""
+    upserted = []
+    monkeypatch.setattr(
+        daemon.handlers, "upsert_node", lambda nid, n: upserted.append(nid)
+    )
+    _patch_loop_iteration_common(monkeypatch)
+
+    state = _make_state()
+    state.iface = DummyInterface()
+    state.provider = _make_self_node_provider()  # type: ignore[assignment]
+    state.initial_snapshot_sent = True
+    state.last_self_node_report = None  # never reported before
+
+    daemon._loop_iteration(state)
+
+    assert "!aabbccdd" in upserted
+
+
+def test_loop_iteration_self_node_not_triggered_before_snapshot(monkeypatch):
+    """Self-node report is NOT triggered before the initial snapshot is sent."""
+    upserted = []
+    monkeypatch.setattr(
+        daemon.handlers, "upsert_node", lambda nid, n: upserted.append(nid)
+    )
+    _patch_loop_iteration_common(monkeypatch)
+
+    state = _make_state()
+    state.iface = DummyInterface()
+    state.provider = _make_self_node_provider()  # type: ignore[assignment]
+    state.initial_snapshot_sent = False  # snapshot not yet sent
+
+    # _loop_iteration will attempt _try_connect because iface is set but
+    # initial_snapshot_sent is False — prevent real connect by patching snapshot
+    monkeypatch.setattr(daemon, "_try_send_snapshot", lambda s: True)
+
+    daemon._loop_iteration(state)
+
+    assert "!aabbccdd" not in upserted
+
+
+def test_loop_iteration_self_node_not_retried_within_interval(monkeypatch):
+    """Self-node report is NOT re-fired within the throttle interval."""
+    upserted = []
+    monkeypatch.setattr(
+        daemon.handlers, "upsert_node", lambda nid, n: upserted.append(nid)
+    )
+    _patch_loop_iteration_common(monkeypatch, now=100.0)
+
+    state = _make_state()
+    state.iface = DummyInterface()
+    state.provider = _make_self_node_provider()  # type: ignore[assignment]
+    state.initial_snapshot_sent = True
+    # Simulate a recent report: 100 - 50 = 50 seconds ago < 3600 interval
+    state.last_self_node_report = 50.0
+
+    daemon._loop_iteration(state)
+
+    assert "!aabbccdd" not in upserted
+
+
+def test_loop_iteration_self_node_retried_after_interval(monkeypatch):
+    """Self-node report fires again after the full interval has elapsed."""
+    upserted = []
+    monkeypatch.setattr(
+        daemon.handlers, "upsert_node", lambda nid, n: upserted.append(nid)
+    )
+    # now=5000; last_report=1000; elapsed=4000 > 3600 → should fire
+    _patch_loop_iteration_common(monkeypatch, now=5000.0)
+
+    state = _make_state()
+    state.iface = DummyInterface()
+    state.provider = _make_self_node_provider()  # type: ignore[assignment]
+    state.initial_snapshot_sent = True
+    state.last_self_node_report = 1000.0  # 4000 seconds ago
+
+    daemon._loop_iteration(state)
+
+    assert "!aabbccdd" in upserted
diff --git a/tests/test_handlers_unit.py b/tests/test_handlers_unit.py
index 2ab6f67..e22811f 100644
--- a/tests/test_handlers_unit.py
+++ b/tests/test_handlers_unit.py
@@ -39,10 +39,12 @@ def reset_handler_state():
     """Reset global handler state between tests."""
     _state_mod._host_node_id = None
     _state_mod._host_telemetry_last_rx = None
+    _state_mod._host_nodeinfo_last_seen = None
     _state_mod._last_packet_monotonic = None
     yield
     _state_mod._host_node_id = None
     _state_mod._host_telemetry_last_rx = None
+    _state_mod._host_nodeinfo_last_seen = None
     _state_mod._last_packet_monotonic = None
 
 
@@ -75,6 +77,12 @@ class TestHostNodeId:
         handlers.register_host_node_id("!aabbccdd")
         assert _state_mod._host_telemetry_last_rx is None
 
+    def test_register_resets_nodeinfo_window(self):
+        """Registering a new host ID resets the NODEINFO suppression window."""
+        _state_mod._host_nodeinfo_last_seen = 12345.0
+        handlers.register_host_node_id("!aabbccdd")
+        assert _state_mod._host_nodeinfo_last_seen is None
+
     def test_register_canonicalises_numeric(self):
         """Numeric node ID is converted to !xxxxxxxx form."""
         handlers.register_host_node_id(0xAABBCCDD)
@@ -152,6 +160,51 @@ class TestHostTelemetrySuppressed:
         assert mins == 1
 
 
+# ---------------------------------------------------------------------------
+# _state: _host_nodeinfo_suppressed / _mark_host_nodeinfo_seen
+# ---------------------------------------------------------------------------
+
+
+class TestHostNodeinfoSuppressed:
+    """Tests for host NODEINFO suppression logic."""
+
+    def test_not_suppressed_when_no_previous(self):
+        """Not suppressed when no previous NODEINFO timestamp is set."""
+        assert _state_mod._host_nodeinfo_suppressed(time.monotonic()) is False
+
+    def test_suppressed_within_interval(self):
+        """Suppressed when within the suppression window."""
+        now = time.monotonic()
+        _state_mod._host_nodeinfo_last_seen = now - 10.0  # 10 seconds ago
+        assert _state_mod._host_nodeinfo_suppressed(now) is True
+
+    def test_not_suppressed_after_interval(self):
+        """Not suppressed after the full interval has elapsed."""
+        now = time.monotonic()
+        _state_mod._host_nodeinfo_last_seen = (
+            now - _state_mod._HOST_NODEINFO_INTERVAL_SECS - 1.0
+        )
+        assert _state_mod._host_nodeinfo_suppressed(now) is False
+
+    def test_mark_updates_timestamp(self):
+        """_mark_host_nodeinfo_seen stores the provided timestamp."""
+        now = time.monotonic()
+        _state_mod._mark_host_nodeinfo_seen(now)
+        assert _state_mod._host_nodeinfo_last_seen == now
+
+    def test_suppressed_after_mark(self):
+        """Immediately after marking, a second call is suppressed."""
+        now = time.monotonic()
+        _state_mod._mark_host_nodeinfo_seen(now)
+        assert _state_mod._host_nodeinfo_suppressed(now + 1.0) is True
+
+    def test_not_suppressed_after_mark_and_full_interval(self):
+        """After a full interval has elapsed, suppression lifts."""
+        long_ago = time.monotonic() - _state_mod._HOST_NODEINFO_INTERVAL_SECS - 5.0
+        _state_mod._mark_host_nodeinfo_seen(long_ago)
+        assert _state_mod._host_nodeinfo_suppressed(time.monotonic()) is False
+
+
 # ---------------------------------------------------------------------------
 # radio: _radio_metadata_fields / _apply_radio_metadata
 # ---------------------------------------------------------------------------
@@ -664,6 +717,91 @@ class TestStoreNodeinfoPacket:
             q._queue_post_json = original
         assert sent == []
 
+    def test_host_nodeinfo_not_suppressed_on_first_call(self):
+        """First NODEINFO from the host node is always forwarded."""
+        import data.mesh_ingestor.queue as q
+
+        handlers.register_host_node_id("!aabbccdd")
+        sent = []
+        original = q._queue_post_json
+        q._queue_post_json = lambda path, payload, *, priority, **kw: sent.append(path)
+        try:
+            handlers.store_nodeinfo_packet(
+                {"id": 1, "rxTime": 100, "fromId": "!aabbccdd"},
+                {"user": {"id": "!aabbccdd", "shortName": "AB", "longName": "Alpha"}},
+            )
+        finally:
+            q._queue_post_json = original
+        assert "/api/nodes" in sent
+
+    def test_host_nodeinfo_suppressed_within_window(self):
+        """Second NODEINFO from the host within the throttle window is dropped."""
+        import data.mesh_ingestor.queue as q
+
+        handlers.register_host_node_id("!aabbccdd")
+        # Simulate a recent upsert so the window is active.
+        _state_mod._mark_host_nodeinfo_seen(time.monotonic())
+
+        sent = []
+        original = q._queue_post_json
+        q._queue_post_json = lambda path, payload, *, priority, **kw: sent.append(path)
+        try:
+            handlers.store_nodeinfo_packet(
+                {"id": 2, "rxTime": 200, "fromId": "!aabbccdd"},
+                {"user": {"id": "!aabbccdd", "shortName": "AB", "longName": "Alpha"}},
+            )
+        finally:
+            q._queue_post_json = original
+        assert sent == []
+
+    def test_host_nodeinfo_allowed_after_window_expires(self):
+        """NODEINFO from the host is forwarded after the throttle window expires."""
+        import data.mesh_ingestor.queue as q
+
+        handlers.register_host_node_id("!aabbccdd")
+        # Place last-seen far in the past so the window has expired.
+        _state_mod._host_nodeinfo_last_seen = (
+            time.monotonic() - _state_mod._HOST_NODEINFO_INTERVAL_SECS - 10.0
+        )
+
+        sent = []
+        original = q._queue_post_json
+        q._queue_post_json = lambda path, payload, *, priority, **kw: sent.append(path)
+        try:
+            handlers.store_nodeinfo_packet(
+                {"id": 3, "rxTime": 300, "fromId": "!aabbccdd"},
+                {"user": {"id": "!aabbccdd", "shortName": "AB", "longName": "Alpha"}},
+            )
+        finally:
+            q._queue_post_json = original
+        assert "/api/nodes" in sent
+
+    def test_non_host_nodeinfo_never_suppressed(self):
+        """NODEINFO from a non-host node is never throttled."""
+        import data.mesh_ingestor.queue as q
+
+        handlers.register_host_node_id("!aabbccdd")
+        # Mark the host as recently seen to activate the throttle.
+        _state_mod._mark_host_nodeinfo_seen(time.monotonic())
+
+        sent = []
+        original = q._queue_post_json
+        q._queue_post_json = lambda path, payload, *, priority, **kw: sent.append(path)
+        try:
+            handlers.store_nodeinfo_packet(
+                {"id": 4, "rxTime": 400, "fromId": "!11223344"},
+                {
+                    "user": {
+                        "id": "!11223344",
+                        "shortName": "CD",
+                        "longName": "Charlie Delta",
+                    }
+                },
+            )
+        finally:
+            q._queue_post_json = original
+        assert "/api/nodes" in sent
+
 
 # ---------------------------------------------------------------------------
 # store_neighborinfo_packet
diff --git a/tests/test_provider_unit.py b/tests/test_provider_unit.py
index 7227bf3..1c9b3b7 100644
--- a/tests/test_provider_unit.py
+++ b/tests/test_provider_unit.py
@@ -441,6 +441,125 @@ def test_meshcore_node_snapshot_items_with_contacts(monkeypatch):
     iface.close()
 
 
+def test_meshcore_node_snapshot_items_includes_self_node_when_cached(monkeypatch):
+    """node_snapshot_items appends the self-node when _self_info_payload is set."""
+    import data.mesh_ingestor.protocols.meshcore as _mod
+
+    monkeypatch.setattr(_mod, "_run_meshcore", _fake_run_meshcore())
+    monkeypatch.setattr(_mod.config, "CONNECTION", None)
+    monkeypatch.setattr(_mod.config, "_debug_log", lambda *_a, **_k: None)
+    iface, _, _ = MeshcoreProvider().connect(active_candidate="/dev/ttyUSB0")
+
+    self_pub_key = "deadbeef" + "00" * 28
+    iface._self_info_payload = {"public_key": self_pub_key, "name": "SelfNode"}
+
+    items = MeshcoreProvider().node_snapshot_items(iface)
+    assert len(items) == 1
+    node_id, node_dict = items[0]
+    assert node_id == "!deadbeef"
+    assert node_dict["user"]["longName"] == "SelfNode"
+    iface.close()
+
+
+def test_meshcore_node_snapshot_items_excludes_self_node_when_no_payload(monkeypatch):
+    """node_snapshot_items omits the self-node when no SELF_INFO has been received."""
+    import data.mesh_ingestor.protocols.meshcore as _mod
+
+    monkeypatch.setattr(_mod, "_run_meshcore", _fake_run_meshcore())
+    monkeypatch.setattr(_mod.config, "CONNECTION", None)
+    monkeypatch.setattr(_mod.config, "_debug_log", lambda *_a, **_k: None)
+    iface, _, _ = MeshcoreProvider().connect(active_candidate="/dev/ttyUSB0")
+
+    assert iface._self_info_payload is None
+    items = MeshcoreProvider().node_snapshot_items(iface)
+    assert items == []
+    iface.close()
+
+
+def test_meshcore_node_snapshot_items_contacts_and_self(monkeypatch):
+    """node_snapshot_items includes both contacts and the self-node."""
+    import data.mesh_ingestor.protocols.meshcore as _mod
+
+    monkeypatch.setattr(_mod, "_run_meshcore", _fake_run_meshcore())
+    monkeypatch.setattr(_mod.config, "CONNECTION", None)
+    monkeypatch.setattr(_mod.config, "_debug_log", lambda *_a, **_k: None)
+    iface, _, _ = MeshcoreProvider().connect(active_candidate="/dev/ttyUSB0")
+
+    contact_pub_key = "aabbccdd" + "00" * 28
+    iface._update_contact(
+        {"public_key": contact_pub_key, "adv_name": "Peer", "last_advert": 1000}
+    )
+    self_pub_key = "deadbeef" + "00" * 28
+    iface._self_info_payload = {"public_key": self_pub_key, "name": "Self"}
+
+    items = MeshcoreProvider().node_snapshot_items(iface)
+    node_ids = {nid for nid, _ in items}
+    assert "!aabbccdd" in node_ids
+    assert "!deadbeef" in node_ids
+    assert len(items) == 2
+    iface.close()
+
+
+# ---------------------------------------------------------------------------
+# MeshcoreProvider.self_node_item
+# ---------------------------------------------------------------------------
+
+
+def test_meshcore_self_node_item_non_interface():
+    """self_node_item returns None for any non-_MeshcoreInterface object."""
+    assert MeshcoreProvider().self_node_item(object()) is None
+
+
+def test_meshcore_self_node_item_no_payload(monkeypatch):
+    """self_node_item returns None when no SELF_INFO payload is cached."""
+    import data.mesh_ingestor.protocols.meshcore as _mod
+
+    monkeypatch.setattr(_mod, "_run_meshcore", _fake_run_meshcore())
+    monkeypatch.setattr(_mod.config, "CONNECTION", None)
+    monkeypatch.setattr(_mod.config, "_debug_log", lambda *_a, **_k: None)
+    iface, _, _ = MeshcoreProvider().connect(active_candidate="/dev/ttyUSB0")
+
+    assert iface._self_info_payload is None
+    assert MeshcoreProvider().self_node_item(iface) is None
+    iface.close()
+
+
+def test_meshcore_self_node_item_with_payload(monkeypatch):
+    """self_node_item returns the correct (node_id, node_dict) when payload cached."""
+    import data.mesh_ingestor.protocols.meshcore as _mod
+
+    monkeypatch.setattr(_mod, "_run_meshcore", _fake_run_meshcore())
+    monkeypatch.setattr(_mod.config, "CONNECTION", None)
+    monkeypatch.setattr(_mod.config, "_debug_log", lambda *_a, **_k: None)
+    iface, _, _ = MeshcoreProvider().connect(active_candidate="/dev/ttyUSB0")
+
+    pub_key = "deadbeef" + "00" * 28
+    iface._self_info_payload = {"public_key": pub_key, "name": "MyHost"}
+
+    result = MeshcoreProvider().self_node_item(iface)
+    assert result is not None
+    node_id, node_dict = result
+    assert node_id == "!deadbeef"
+    assert node_dict["user"]["longName"] == "MyHost"
+    assert node_dict["protocol"] == "meshcore"
+    iface.close()
+
+
+def test_meshcore_self_node_item_empty_key(monkeypatch):
+    """self_node_item returns None when the cached public_key is empty."""
+    import data.mesh_ingestor.protocols.meshcore as _mod
+
+    monkeypatch.setattr(_mod, "_run_meshcore", _fake_run_meshcore())
+    monkeypatch.setattr(_mod.config, "CONNECTION", None)
+    monkeypatch.setattr(_mod.config, "_debug_log", lambda *_a, **_k: None)
+    iface, _, _ = MeshcoreProvider().connect(active_candidate="/dev/ttyUSB0")
+
+    # An empty key produces a None node_id from _meshcore_node_id.
+    iface._self_info_payload = {"public_key": "", "name": "Bad"}
+    assert MeshcoreProvider().self_node_item(iface) is None
+    iface.close()
+
+
 def test_parse_tcp_target_detects_host_port():
     """parse_tcp_target must return (host, port) for host:port strings."""
     assert parse_tcp_target("meshnode.local:4403") == ("meshnode.local", 4403)
@@ -1419,6 +1538,72 @@ def test_process_self_info_skips_empty_key():
     assert registered == []
 
 
+def test_process_self_info_caches_payload():
+    """_process_self_info must store the payload on iface._self_info_payload."""
+    stub = _make_stub_handlers_module()
+    iface = _MeshcoreInterface(target=None)
+    payload = {"public_key": "aabbccdd" + "00" * 28, "name": "Host"}
+
+    _process_self_info(payload, iface, stub)
+
+    assert iface._self_info_payload is payload
+
+
+def test_process_self_info_caches_payload_even_when_empty_key():
+    """_process_self_info caches the payload even when public_key is empty.
+
+    The payload is cached unconditionally so that radio metadata is always
+    preserved.  self_node_item will still return None for an empty key because
+    _meshcore_node_id returns None, but the cached payload lets radio metadata
+    be applied on reconnect without waiting for a second SELF_INFO.
+    """
+    stub = _make_stub_handlers_module()
+    iface = _MeshcoreInterface(target=None)
+    payload = {"public_key": "", "name": "Unknown"}
+
+    _process_self_info(payload, iface, stub)
+
+    assert iface._self_info_payload is payload
+
+
+def test_process_self_info_radio_metadata_set_before_upsert(monkeypatch):
+    """Radio metadata must be written to config BEFORE upsert_node is called.
+
+    Regression test for the ordering bug: previously LORA_FREQ/MODEM_PRESET
+    were captured after upsert_node, so _apply_radio_metadata_to_nodes found
+    no values and the first self-node upsert lacked radio metadata.
+    """
+    import data.mesh_ingestor.protocols.meshcore as _mod
+
+    monkeypatch.setattr(_mod.config, "LORA_FREQ", None)
+    monkeypatch.setattr(_mod.config, "MODEM_PRESET", None)
+    monkeypatch.setattr(_mod.config, "_debug_log", lambda *_a, **_k: None)
+
+    captured_lora_freq_at_upsert: list = []
+    captured_modem_preset_at_upsert: list = []
+
+    def _spy_upsert(node_id, node):
+        captured_lora_freq_at_upsert.append(_mod.config.LORA_FREQ)
+        captured_modem_preset_at_upsert.append(_mod.config.MODEM_PRESET)
+
+    stub = _make_stub_handlers_module()
+    stub.upsert_node = _spy_upsert
+
+    payload = {
+        "public_key": "aabbccdd" + "00" * 28,
+        "name": "Host",
+        "radio_freq": 868.125,
+        "radio_sf": 8,
+        "radio_bw": 62.0,
+        "radio_cr": 8,
+    }
+    _process_self_info(payload, _MeshcoreInterface(target=None), stub)
+
+    # Config must have been set before upsert_node was invoked.
+    assert captured_lora_freq_at_upsert == [pytest.approx(868.125)]
+    assert captured_modem_preset_at_upsert == ["SF8/BW62/CR8"]
+
+
 # ---------------------------------------------------------------------------
 # _process_self_info — radio metadata capture
 # ---------------------------------------------------------------------------