diff --git a/Boards.h b/Boards.h
index eb5476a..c5548b9 100644
--- a/Boards.h
+++ b/Boards.h
@@ -46,7 +46,7 @@
   #define MODEL_A5            0xA5 // RNode v2.2, 433 MHz with SX1278
   #define MODEL_A6            0xA6 // RNode v2.2, 868 MHz with SX1262
   #define MODEL_AA            0xAA // RNode v2.2, 868 MHz with SX1276
-  #define MODEL_AB            0xAB // RNode v2.2, 2.4 GHz with SX1280
+  #define MODEL_AC            0xAC // RNode v2.2, 2.4 GHz with SX1280 and PA
 
   #define PRODUCT_TBEAM       0xE0 // T-Beam devices
   #define BOARD_TBEAM         0x33
@@ -417,7 +417,7 @@
     #elif BOARD_MODEL == BOARD_RNODE_NG_22
       #define IS_ESP32S3 true
       #define HAS_DISPLAY true
-      #define HAS_CONSOLE false
+      #define HAS_CONSOLE true
       #define HAS_BLUETOOTH false
       #define HAS_BLE true
       #define HAS_PMU true
@@ -445,11 +445,16 @@
         const int pin_dio = 33;
         const int pin_tcxo_enable = -1;
       #elif MODEM == SX1280
-        #define DIO2_AS_RF_SWITCH true
+        #define DIO2_AS_RF_SWITCH false
         #define HAS_BUSY true
         #define HAS_TCXO true
         #define HAS_PA true
         const int pa_max_input = 3;
+
+        #define HAS_RF_SWITCH_RX_TX false
+        const int pin_rxen = 21;
+        const int pin_txen = 10;
+        
         const int pin_busy = 36;
         const int pin_dio = 9;
         const int pin_tcxo_enable = -1;
diff --git a/RNode_Firmware.ino b/RNode_Firmware.ino
index 5203f6f..b9643cf 100644
--- a/RNode_Firmware.ino
+++ b/RNode_Firmware.ino
@@ -769,6 +769,12 @@ void serialCallback(uint8_t sbyte) {
         int txp = sbyte;
         #if MODEM == SX1262
           if (txp > 22) txp = 22;
+        #elif MODEM == SX1280
+          #if HAS_PA
+            if (txp > 20) txp = 20;
+          #else
+            if (txp > 13) txp = 13;
+          #endif
         #else
           if (txp > 17) txp = 17;
         #endif
diff --git a/Utilities.h b/Utilities.h
index 1a25b89..4d85fea 100644
--- a/Utilities.h
+++ b/Utilities.h
@@ -1095,11 +1095,17 @@ void updateBitrate() {
 			if (csma_slot_ms > CSMA_SLOT_MAX_MS) { csma_slot_ms = CSMA_SLOT_MAX_MS; }
 			if (csma_slot_ms < CSMA_SLOT_MIN_MS) { csma_slot_ms = CSMA_SLOT_MIN_MS; }
 			float target_preamble_symbols = (LORA_PREAMBLE_TARGET_MS/lora_symbol_time_ms)-LORA_PREAMBLE_SYMBOLS_HW;
-			if (target_preamble_symbols < LORA_PREAMBLE_SYMBOLS_MIN) {
-				target_preamble_symbols = LORA_PREAMBLE_SYMBOLS_MIN;
-			} else {
-				target_preamble_symbols = ceil(target_preamble_symbols);
-			}
+			
+			#if MODEM == SX1280
+				target_preamble_symbols = 12;
+			#else
+				if (target_preamble_symbols < LORA_PREAMBLE_SYMBOLS_MIN) {
+					target_preamble_symbols = LORA_PREAMBLE_SYMBOLS_MIN;
+				} else {
+					target_preamble_symbols = ceil(target_preamble_symbols);
+				}
+			#endif
+			
 			lora_preamble_symbols = (long)target_preamble_symbols;
 			setPreamble();
 		} else {