diff --git a/variants/esp32s3/mesh-tab/variant.h b/variants/esp32s3/mesh-tab/variant.h
index 63ef17d85..99204bba3 100644
--- a/variants/esp32s3/mesh-tab/variant.h
+++ b/variants/esp32s3/mesh-tab/variant.h
@@ -55,5 +55,6 @@
 #define SX126X_RESET 14
 #define SX126X_RXEN 47
 #define SX126X_TXEN RADIOLIB_NC // Assuming that DIO2 is connected to TXEN pin
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
 
 #endif