diff --git a/src/LoRa_APRS_iGate.cpp b/src/LoRa_APRS_iGate.cpp
index ea42b34..633f3d5 100644
--- a/src/LoRa_APRS_iGate.cpp
+++ b/src/LoRa_APRS_iGate.cpp
@@ -67,8 +67,8 @@ ___________________________________________________________________*/
 #endif
 
 
-String              versionDate             = "2025-12-11";
-String              versionNumber           = "3.1.5.1";
+String              versionDate             = "2025-12-12";
+String              versionNumber           = "3.1.6";
 Configuration       Config;
 WiFiClient          aprsIsClient;
 WiFiClient          mqttClient;
diff --git a/src/lora_utils.cpp b/src/lora_utils.cpp
index 9aed594..dd17d9c 100644
--- a/src/lora_utils.cpp
+++ b/src/lora_utils.cpp
@@ -135,6 +135,13 @@ namespace LoRa_Utils {
             radio.setRxBoostedGainMode(true);
         #endif
 
+        #if defined(HAS_TCXO) && !defined(HAS_1W_LORA)
+            radio.setDio2AsRfSwitch();
+        #endif
+        #ifdef HAS_TCXO            
+            radio.setTCXO(1.8);
+        #endif
+
         if (state == RADIOLIB_ERR_NONE) {
             Utils::println("init : LoRa Module    ...     done!");
         } else {
diff --git a/variants/ESP32_DIY_1W_LoRa/board_pinout.h b/variants/ESP32_DIY_1W_LoRa/board_pinout.h
index b39e690..290cf7a 100644
--- a/variants/ESP32_DIY_1W_LoRa/board_pinout.h
+++ b/variants/ESP32_DIY_1W_LoRa/board_pinout.h
@@ -22,6 +22,7 @@
     //  LoRa Radio
     #define HAS_SX1268
     #define HAS_1W_LORA
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          18
     #define RADIO_MISO_PIN          19
     #define RADIO_MOSI_PIN          23
diff --git a/variants/ESP32_DIY_1W_LoRa_915/board_pinout.h b/variants/ESP32_DIY_1W_LoRa_915/board_pinout.h
index eb427e5..4f7e2ab 100644
--- a/variants/ESP32_DIY_1W_LoRa_915/board_pinout.h
+++ b/variants/ESP32_DIY_1W_LoRa_915/board_pinout.h
@@ -22,6 +22,7 @@
     //  LoRa Radio
     #define HAS_SX1262
     #define HAS_1W_LORA
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          18
     #define RADIO_MISO_PIN          19
     #define RADIO_MOSI_PIN          23
diff --git a/variants/OE5HWN_MeshCom/board_pinout.h b/variants/OE5HWN_MeshCom/board_pinout.h
index df8c637..d2c5d85 100644
--- a/variants/OE5HWN_MeshCom/board_pinout.h
+++ b/variants/OE5HWN_MeshCom/board_pinout.h
@@ -22,6 +22,7 @@
     //  LoRa Radio
     #define HAS_SX1268
     #define HAS_1W_LORA
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          18
     #define RADIO_MISO_PIN          19
     #define RADIO_MOSI_PIN          23
diff --git a/variants/QRPLabs_LightGateway_Plus_1_0/board_pinout.h b/variants/QRPLabs_LightGateway_Plus_1_0/board_pinout.h
index 1267c60..71c8d5b 100644
--- a/variants/QRPLabs_LightGateway_Plus_1_0/board_pinout.h
+++ b/variants/QRPLabs_LightGateway_Plus_1_0/board_pinout.h
@@ -22,6 +22,7 @@
     //  LoRa Radio
     #define HAS_SX1268
     #define HAS_1W_LORA
+    #define HAS_TCXO
     #define RADIO_VCC_PIN           21
     #define RADIO_SCLK_PIN          12
     #define RADIO_MISO_PIN          13
diff --git a/variants/XIAO_ESP32S3_WIO_SX1262/board_pinout.h b/variants/XIAO_ESP32S3_WIO_SX1262/board_pinout.h
index 4c99b47..5df47a4 100644
--- a/variants/XIAO_ESP32S3_WIO_SX1262/board_pinout.h
+++ b/variants/XIAO_ESP32S3_WIO_SX1262/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN      7
     #define RADIO_MISO_PIN      8
     #define RADIO_MOSI_PIN      9
diff --git a/variants/esp32c3_DIY_1W_LoRa/board_pinout.h b/variants/esp32c3_DIY_1W_LoRa/board_pinout.h
index 012cf1e..d4f97f5 100644
--- a/variants/esp32c3_DIY_1W_LoRa/board_pinout.h
+++ b/variants/esp32c3_DIY_1W_LoRa/board_pinout.h
@@ -22,6 +22,7 @@
     //  LoRa Radio
     #define HAS_SX1268
     #define HAS_1W_LORA
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          8
     #define RADIO_MISO_PIN          9
     #define RADIO_MOSI_PIN          10
diff --git a/variants/esp32c3_DIY_1W_LoRa_915/board_pinout.h b/variants/esp32c3_DIY_1W_LoRa_915/board_pinout.h
index b7be9e0..d381820 100644
--- a/variants/esp32c3_DIY_1W_LoRa_915/board_pinout.h
+++ b/variants/esp32c3_DIY_1W_LoRa_915/board_pinout.h
@@ -22,6 +22,7 @@
     //  LoRa Radio
     #define HAS_SX1262
     #define HAS_1W_LORA
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          8
     #define RADIO_MISO_PIN          9
     #define RADIO_MOSI_PIN          10
diff --git a/variants/heltec_ht-ct62/board_pinout.h b/variants/heltec_ht-ct62/board_pinout.h
index 06a7f18..549d6d8 100644
--- a/variants/heltec_ht-ct62/board_pinout.h
+++ b/variants/heltec_ht-ct62/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          10
     #define RADIO_MISO_PIN          6
     #define RADIO_MOSI_PIN          7
diff --git a/variants/heltec_wifi_lora_32_V3/board_pinout.h b/variants/heltec_wifi_lora_32_V3/board_pinout.h
index 4731f2d..a810bcb 100644
--- a/variants/heltec_wifi_lora_32_V3/board_pinout.h
+++ b/variants/heltec_wifi_lora_32_V3/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          9
     #define RADIO_MISO_PIN          11
     #define RADIO_MOSI_PIN          10
diff --git a/variants/heltec_wifi_lora_32_V3_2/board_pinout.h b/variants/heltec_wifi_lora_32_V3_2/board_pinout.h
index 4731f2d..a810bcb 100644
--- a/variants/heltec_wifi_lora_32_V3_2/board_pinout.h
+++ b/variants/heltec_wifi_lora_32_V3_2/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          9
     #define RADIO_MISO_PIN          11
     #define RADIO_MOSI_PIN          10
diff --git a/variants/heltec_wireless_paper_v1/board_pinout.h b/variants/heltec_wireless_paper_v1/board_pinout.h
index 0bcccfd..5b4a375 100644
--- a/variants/heltec_wireless_paper_v1/board_pinout.h
+++ b/variants/heltec_wireless_paper_v1/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          9
     #define RADIO_MISO_PIN          11
     #define RADIO_MOSI_PIN          10
diff --git a/variants/heltec_wireless_stick/board_pinout.h b/variants/heltec_wireless_stick/board_pinout.h
index b8ca55b..a3faad9 100644
--- a/variants/heltec_wireless_stick/board_pinout.h
+++ b/variants/heltec_wireless_stick/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          9
     #define RADIO_MISO_PIN          11
     #define RADIO_MOSI_PIN          10
diff --git a/variants/heltec_wireless_stick_lite_v3/board_pinout.h b/variants/heltec_wireless_stick_lite_v3/board_pinout.h
index 2aa4cba..0ba75b3 100644
--- a/variants/heltec_wireless_stick_lite_v3/board_pinout.h
+++ b/variants/heltec_wireless_stick_lite_v3/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          9
     #define RADIO_MISO_PIN          11
     #define RADIO_MOSI_PIN          10
diff --git a/variants/heltec_wireless_stick_lite_v3_display/board_pinout.h b/variants/heltec_wireless_stick_lite_v3_display/board_pinout.h
index 14c68ea..5998c4d 100644
--- a/variants/heltec_wireless_stick_lite_v3_display/board_pinout.h
+++ b/variants/heltec_wireless_stick_lite_v3_display/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          9
     #define RADIO_MISO_PIN          11
     #define RADIO_MOSI_PIN          10
diff --git a/variants/heltec_wireless_tracker/board_pinout.h b/variants/heltec_wireless_tracker/board_pinout.h
index 9296c8c..99bf030 100644
--- a/variants/heltec_wireless_tracker/board_pinout.h
+++ b/variants/heltec_wireless_tracker/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          9       // SX1262 SCK
     #define RADIO_MISO_PIN          11      // SX1262 MISO
     #define RADIO_MOSI_PIN          10      // SX1262 MOSI
diff --git a/variants/ttgo-t-beam-v1_2_SX1262/board_pinout.h b/variants/ttgo-t-beam-v1_2_SX1262/board_pinout.h
index d7189db..c7ff52a 100644
--- a/variants/ttgo-t-beam-v1_2_SX1262/board_pinout.h
+++ b/variants/ttgo-t-beam-v1_2_SX1262/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          5
     #define RADIO_MISO_PIN          19
     #define RADIO_MOSI_PIN          27
diff --git a/variants/ttgo_lora32_t3s3_v1_2/board_pinout.h b/variants/ttgo_lora32_t3s3_v1_2/board_pinout.h
index 88bee38..0d57f56 100644
--- a/variants/ttgo_lora32_t3s3_v1_2/board_pinout.h
+++ b/variants/ttgo_lora32_t3s3_v1_2/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          5
     #define RADIO_MISO_PIN          3
     #define RADIO_MOSI_PIN          6
diff --git a/variants/ttgo_t_beam_s3_SUPREME_v3/board_pinout.h b/variants/ttgo_t_beam_s3_SUPREME_v3/board_pinout.h
index dfd41b4..8f48a38 100644
--- a/variants/ttgo_t_beam_s3_SUPREME_v3/board_pinout.h
+++ b/variants/ttgo_t_beam_s3_SUPREME_v3/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          12
     #define RADIO_MISO_PIN          13
     #define RADIO_MOSI_PIN          11
diff --git a/variants/ttgo_t_deck_GPS/board_pinout.h b/variants/ttgo_t_deck_GPS/board_pinout.h
index f3593fa..d3234f0 100644
--- a/variants/ttgo_t_deck_GPS/board_pinout.h
+++ b/variants/ttgo_t_deck_GPS/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          40
     #define RADIO_MISO_PIN          38
     #define RADIO_MOSI_PIN          41
diff --git a/variants/ttgo_t_deck_plus/board_pinout.h b/variants/ttgo_t_deck_plus/board_pinout.h
index 6ba1bde..67e7725 100644
--- a/variants/ttgo_t_deck_plus/board_pinout.h
+++ b/variants/ttgo_t_deck_plus/board_pinout.h
@@ -21,6 +21,7 @@
 
     //  LoRa Radio
     #define HAS_SX1262
+    #define HAS_TCXO
     #define RADIO_SCLK_PIN          40
     #define RADIO_MISO_PIN          38
     #define RADIO_MOSI_PIN          41