diff --git a/data_embed/index.html b/data_embed/index.html
index bf5511e..a05e683 100644
--- a/data_embed/index.html
+++ b/data_embed/index.html
@@ -1429,8 +1429,8 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                                 name="lora.power"
                                                 id="lora.power"
                                                 placeholder="20"
-                                                min="0"
-                                                max="20"
+                                                min="2"
+                                                max="22"
                                                 step="1"
                                                 class="form-control"
                                                 required=""
diff --git a/src/lora_utils.cpp b/src/lora_utils.cpp
index b3dc4f1..afb1a9a 100644
--- a/src/lora_utils.cpp
+++ b/src/lora_utils.cpp
@@ -69,6 +69,18 @@ int rssi, freqError;
 float snr;
 APRSPacket lastAprsPacket;
 
+#if defined(HAS_SX1278) || defined(HAS_SX1276)
+    #define CHIP_MIN_POWER  2       // PA_BOOST (below 2 RadioLib switches to RFO, not wired on most modules)
+    #define CHIP_MAX_POWER  20
+#else                               // SX1262 / SX1268 / LLCC68
+    #define CHIP_MIN_POWER  -9
+    #define CHIP_MAX_POWER  22
+#endif
+
+#ifndef RADIO_MAX_POWER             // optional per board in board_pinout.h (e.g. 1W PA modules)
+    #define RADIO_MAX_POWER CHIP_MAX_POWER
+#endif
+
 
 namespace LoRa_Utils {
 
@@ -85,6 +97,15 @@ namespace LoRa_Utils {
         operationDone = true;
     }
 
+    int validPower(int requested) {
+        const int maxPower = (RADIO_MAX_POWER < CHIP_MAX_POWER) ? RADIO_MAX_POWER : CHIP_MAX_POWER;
+        int power = constrain(requested, CHIP_MIN_POWER, maxPower);
+        #if defined(HAS_SX1278) || defined(HAS_SX1276)
+            if (power > 17 && power < 20) power = 17;   // SX127x PA_BOOST: only 2-17 or 20
+        #endif
+        return power;
+    }
+
     void setup() {
         #if defined (LIGHTGATEWAY_1_0) || defined(LIGHTGATEWAY_PLUS_1_0)
             pinMode(RADIO_VCC_PIN,OUTPUT);
@@ -136,16 +157,17 @@ namespace LoRa_Utils {
         radio.setDio2AsRfSwitch(true);
         #endif*/
 
-        #ifdef HAS_1W_LORA  // Ebyte E22 400M30S (SX1268) / 900M30S (SX1262) / Ebyte E220 400M30S (LLCC68)
-            state = radio.setOutputPower(Config.loramodule.power); // max value 20dB for 1W modules as they have Low Noise Amp
-            radio.setCurrentLimit(140); // to be validated (100 , 120, 140)?
-        #endif
+        int power = validPower(Config.loramodule.power);
+        if (power != Config.loramodule.power) {
+            Utils::println("LoRa power adjusted: " + String(Config.loramodule.power) + " -> " + String(power));
+        }
+        state = radio.setOutputPower(power);
+        if (state != RADIOLIB_ERR_NONE) {
+            Utils::println("LoRa setOutputPower failed! State: " + String(state));     // log and keep going
+        }
         #if defined(HAS_SX1278) || defined(HAS_SX1276)
-            state = radio.setOutputPower(Config.loramodule.power); // max value 20dB for 400M30S as it has Low Noise Amp
             radio.setCurrentLimit(120); // OCP ceiling for SX127x: ~120mA needed at +20dBm (not a fixed consumption)
-        #endif
-        #if (defined(HAS_SX1268) || defined(HAS_SX1262)) && !defined(HAS_1W_LORA)
-            state = radio.setOutputPower(Config.loramodule.power + 2); // values available: 10, 17, 22 --> if 20 in tracker_conf.json it will be updated to 22.
+        #else                           // SX1262 / SX1268 / LLCC68 (also 1W Ebyte E22 / E220 modules)
             radio.setCurrentLimit(140);
         #endif
 
@@ -160,12 +182,7 @@ namespace LoRa_Utils {
             radio.setTCXO(1.8);
         #endif
 
-        if (state == RADIOLIB_ERR_NONE) {
-            Utils::println("init : LoRa Module    ...     done!");
-        } else {
-            Utils::println("Starting LoRa failed! State: " + String(state));
-            while (true);
-        }
+        Utils::println("init : LoRa Module    ...     done!");
     }
 
     void changeFreqTx() {