diff --git a/variants/rak3x72/platformio.ini b/variants/rak3x72/platformio.ini
index 67db107..a626008 100644
--- a/variants/rak3x72/platformio.ini
+++ b/variants/rak3x72/platformio.ini
@@ -18,6 +18,7 @@ extends = rak3x72
 build_flags = ${rak3x72.build_flags}
   -D ADVERT_NAME='"RAK3x72 Repeater"'
   -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
 build_src_filter = ${rak3x72.build_src_filter}
   +<../examples/simple_repeater/*.cpp>
 
diff --git a/variants/wio-e5-dev/platformio.ini b/variants/wio-e5-dev/platformio.ini
index c50bc24..d7e63c8 100644
--- a/variants/wio-e5-dev/platformio.ini
+++ b/variants/wio-e5-dev/platformio.ini
@@ -19,9 +19,25 @@ build_flags = ${lora_e5.build_flags}
   -D LORA_TX_POWER=22
   -D ADVERT_NAME='"WIO-E5 Repeater"'
   -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
 build_src_filter = ${lora_e5.build_src_filter}
   +<../examples/simple_repeater/*.cpp>
 
+[env:wio-e5-repeater_bridge_rs232]
+extends = lora_e5
+build_flags = ${lora_e5.build_flags}
+  -D LORA_TX_POWER=22
+  -D ADVERT_NAME='"WIO-E5 Repeater"'
+  -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
+  -D ENABLE_HWSERIAL2
+  -D WITH_RS232_BRIDGE=Serial2
+  -D WITH_RS232_BRIDGE_RX=PA3
+  -D WITH_RS232_BRIDGE_TX=PA2
+build_src_filter = ${lora_e5.build_src_filter}
+  +<helpers/bridges/RS232Bridge.cpp>
+  +<../examples/simple_repeater/*.cpp>
+
 [env:wio-e5_companion_radio_usb]
 extends = lora_e5
 build_flags = ${lora_e5.build_flags}
diff --git a/variants/wio-e5-mini/platformio.ini b/variants/wio-e5-mini/platformio.ini
index 919ee90..8378444 100644
--- a/variants/wio-e5-mini/platformio.ini
+++ b/variants/wio-e5-mini/platformio.ini
@@ -22,6 +22,7 @@ build_flags = ${lora_e5_mini.build_flags}
   -D LORA_TX_POWER=22
   -D ADVERT_NAME='"wio-e5-mini Repeater"'
   -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
 build_src_filter = ${lora_e5_mini.build_src_filter}
   +<../examples/simple_repeater/*.cpp>