diff --git a/variants/lilygo_tlora_v2_1/platformio.ini b/variants/lilygo_tlora_v2_1/platformio.ini
index 9ef9734e5..f1e10ed4b 100644
--- a/variants/lilygo_tlora_v2_1/platformio.ini
+++ b/variants/lilygo_tlora_v2_1/platformio.ini
@@ -14,7 +14,7 @@ build_flags =
   -D P_LORA_DIO_0=26    ; SX1276 DIO0 interrupt pin
   -D P_LORA_DIO_1=33    ; SX1276 DIO1 interrupt pin
   -D P_LORA_NSS=18      ; Chip select - SS pin
-  -D P_LORA_RESET=14    ; Reset pin
+  -D P_LORA_RESET=23    ; Reset pin
   -D P_LORA_SCLK=5      ; SPI clock
   -D P_LORA_MISO=19     ; SPI MISO
   -D P_LORA_MOSI=27     ; SPI MOSI
@@ -37,7 +37,17 @@ lib_deps =
   ${esp32_base.lib_deps}
   ${sensor_base.lib_deps}
 
+; TCXO-specific flags (for LILYGO T-LoRa V2.1-1.6 TCXO hardware variant)
+[tcxo_flags]
+build_flags =
+  -D P_LORA_DIO_1=RADIOLIB_NC ; TCXO uses NC for DIO1
+  -D P_LORA_TCXO_EN=33  ; TCXO enable pin
+
 ; === LILYGO T-LoRa V2.1-1.6 with SX1276 environments ===
+
+;
+; Repeater
+;
 [env:LilyGo_TLora_V2_1_1_6_repeater]
 extends = LilyGo_TLora_V2_1_1_6
 build_src_filter = ${LilyGo_TLora_V2_1_1_6.build_src_filter}
@@ -56,6 +66,12 @@ lib_deps =
   ${LilyGo_TLora_V2_1_1_6.lib_deps}
   ${esp32_ota.lib_deps}
 
+[env:LilyGo_TLora_V2_1_1_6_TCXO_repeater]
+extends = env:LilyGo_TLora_V2_1_1_6_repeater
+build_flags =
+  ${env:LilyGo_TLora_V2_1_1_6_repeater.build_flags}
+  ${tcxo_flags.build_flags}
+
 [env:LilyGo_TLora_V2_1_1_6_terminal_chat]
 extends = LilyGo_TLora_V2_1_1_6
 build_flags =
@@ -70,6 +86,15 @@ lib_deps =
   ${LilyGo_TLora_V2_1_1_6.lib_deps}
   densaugeo/base64 @ ~1.4.0
 
+[env:LilyGo_TLora_V2_1_1_6_TCXO_terminal_chat]
+extends = env:LilyGo_TLora_V2_1_1_6_terminal_chat
+build_flags =
+  ${env:LilyGo_TLora_V2_1_1_6_terminal_chat.build_flags}
+  ${tcxo_flags.build_flags}
+
+;
+; Companion Radio
+;
 [env:LilyGo_TLora_V2_1_1_6_companion_radio_usb]
 extends = LilyGo_TLora_V2_1_1_6
 build_flags =
@@ -87,6 +112,12 @@ lib_deps =
   ${LilyGo_TLora_V2_1_1_6.lib_deps}
   densaugeo/base64 @ ~1.4.0
 
+[env:LilyGo_TLora_V2_1_1_6_TCXO_companion_radio_usb]
+extends = env:LilyGo_TLora_V2_1_1_6_companion_radio_usb
+build_flags =
+  ${env:LilyGo_TLora_V2_1_1_6_companion_radio_usb.build_flags}
+  ${tcxo_flags.build_flags}
+
 [env:LilyGo_TLora_V2_1_1_6_companion_radio_ble]
 extends = LilyGo_TLora_V2_1_1_6
 build_flags =
@@ -108,23 +139,11 @@ lib_deps =
   ${LilyGo_TLora_V2_1_1_6.lib_deps}
   densaugeo/base64 @ ~1.4.0
 
-[env:LilyGo_TLora_V2_1_1_6_room_server]
-extends = LilyGo_TLora_V2_1_1_6
-build_src_filter = ${LilyGo_TLora_V2_1_1_6.build_src_filter}
-  +<helpers/ui/SSD1306Display.cpp>
-  +<../examples/simple_room_server>
+[env:LilyGo_TLora_V2_1_1_6_TCXO_companion_radio_ble]
+extends = env:LilyGo_TLora_V2_1_1_6_companion_radio_ble
 build_flags =
-  ${LilyGo_TLora_V2_1_1_6.build_flags}
-  -D ADVERT_NAME='"TLora-V2.1-1.6 Room"'
-  -D ADVERT_LAT=0.0
-  -D ADVERT_LON=0.0
-  -D ADMIN_PASSWORD='"password"'
-  -D ROOM_PASSWORD='"hello"'
-;  -D MESH_PACKET_LOGGING=1
-;  -D MESH_DEBUG=1
-lib_deps =
-  ${LilyGo_TLora_V2_1_1_6.lib_deps}
-  ${esp32_ota.lib_deps}
+  ${env:LilyGo_TLora_V2_1_1_6_companion_radio_ble.build_flags}
+  ${tcxo_flags.build_flags}
 
 [env:LilyGo_TLora_V2_1_1_6_companion_radio_wifi]
 extends = LilyGo_TLora_V2_1_1_6
@@ -145,6 +164,39 @@ lib_deps =
   ${LilyGo_TLora_V2_1_1_6.lib_deps}
   densaugeo/base64 @ ~1.4.0
 
+[env:LilyGo_TLora_V2_1_1_6_TCXO_companion_radio_wifi]
+extends = env:LilyGo_TLora_V2_1_1_6_companion_radio_wifi
+build_flags =
+  ${env:LilyGo_TLora_V2_1_1_6_companion_radio_wifi.build_flags}
+  ${tcxo_flags.build_flags}
+
+;
+; Room Server
+;
+[env:LilyGo_TLora_V2_1_1_6_room_server]
+extends = LilyGo_TLora_V2_1_1_6
+build_src_filter = ${LilyGo_TLora_V2_1_1_6.build_src_filter}
+  +<helpers/ui/SSD1306Display.cpp>
+  +<../examples/simple_room_server>
+build_flags =
+  ${LilyGo_TLora_V2_1_1_6.build_flags}
+  -D ADVERT_NAME='"TLora-V2.1-1.6 Room"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D ROOM_PASSWORD='"hello"'
+;  -D MESH_PACKET_LOGGING=1
+;  -D MESH_DEBUG=1
+lib_deps =
+  ${LilyGo_TLora_V2_1_1_6.lib_deps}
+  ${esp32_ota.lib_deps}
+
+[env:LilyGo_TLora_V2_1_1_6_TCXO_room_server]
+extends = env:LilyGo_TLora_V2_1_1_6_room_server
+build_flags =
+  ${env:LilyGo_TLora_V2_1_1_6_room_server.build_flags}
+  ${tcxo_flags.build_flags}
+
 ;
 ; Repeater Bridges
 ;
@@ -171,6 +223,12 @@ lib_deps =
   ${LilyGo_TLora_V2_1_1_6.lib_deps}
   ${esp32_ota.lib_deps}
 
+[env:LilyGo_TLora_V2_1_1_6_TCXO_repeater_bridge_rs232]
+extends = env:LilyGo_TLora_V2_1_1_6_repeater_bridge_rs232
+build_flags =
+  ${env:LilyGo_TLora_V2_1_1_6_repeater_bridge_rs232.build_flags}
+  ${tcxo_flags.build_flags}
+
 [env:LilyGo_TLora_V2_1_1_6_repeater_bridge_espnow]
 extends = LilyGo_TLora_V2_1_1_6
 build_src_filter = ${LilyGo_TLora_V2_1_1_6.build_src_filter}
@@ -190,4 +248,10 @@ build_flags =
 ;  -D CORE_DEBUG_LEVEL=3
 lib_deps =
   ${LilyGo_TLora_V2_1_1_6.lib_deps}
-  ${esp32_ota.lib_deps}
\ No newline at end of file
+  ${esp32_ota.lib_deps}
+
+[env:LilyGo_TLora_V2_1_1_6_TCXO_repeater_bridge_espnow]
+extends = env:LilyGo_TLora_V2_1_1_6_repeater_bridge_espnow
+build_flags =
+  ${env:LilyGo_TLora_V2_1_1_6_repeater_bridge_espnow.build_flags}
+  ${tcxo_flags.build_flags}
diff --git a/variants/lilygo_tlora_v2_1/target.cpp b/variants/lilygo_tlora_v2_1/target.cpp
index 65a78c194..eec8e116b 100644
--- a/variants/lilygo_tlora_v2_1/target.cpp
+++ b/variants/lilygo_tlora_v2_1/target.cpp
@@ -21,6 +21,13 @@ bool radio_init() {
   fallback_clock.begin();
   rtc_clock.begin(Wire);
 
+// Enable TCXO before radio initialization
+#ifdef P_LORA_TCXO_EN
+  pinMode(P_LORA_TCXO_EN, OUTPUT);
+  digitalWrite(P_LORA_TCXO_EN, HIGH);
+  delay(50); // Allow TCXO to stabilize
+#endif
+
 #if defined(P_LORA_SCLK)
   return radio.std_init(&spi);
 #else