From b5d1cf22500b576325f92fc09259e6e50aca198e Mon Sep 17 00:00:00 2001
From: Bryan Mayland <bmayland@capnbry.net>
Date: Wed, 18 Mar 2026 12:07:20 -0400
Subject: [PATCH 1/3] Add Radiomaster AX12

---
 TX/Radiomaster AX12.json | 40 ++++++++++++++++++++++++++++++++++++++++
 targets.json             | 11 ++++++++++-
 2 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 TX/Radiomaster AX12.json

diff --git a/TX/Radiomaster AX12.json b/TX/Radiomaster AX12.json
new file mode 100644
index 0000000..369a0d7
--- /dev/null
+++ b/TX/Radiomaster AX12.json	
@@ -0,0 +1,40 @@
+{
+ "serial_rx": 13,
+ "serial_tx": 4,
+
+ "radio_miso": 33,
+ "radio_mosi": 32,
+ "radio_sck": 25,
+
+ "radio_busy": 36,
+ "radio_dio1": 37,
+ "radio_nss": 27,
+ "radio_rst": 15,
+
+ "radio_dcdc": true,
+ "radio_rfo_hf": true,
+
+ "power_apc2": 26,
+ "power_min": 0,
+ "power_high": 4,
+ "power_max": 4,
+ "power_default": 3,
+ "power_control": 0,
+ "power_values": [-18, -15, -12, -9, -5],
+ "power_values_dual": [-18, -15, -13, -9, -5],
+ "radio_rfsw_ctrl": [15, 0, 4, 12, 12, 2, 0, 1],
+ "power_lna_gain": 15,
+
+ "led_rgb": 22,
+ "led_rgb_isgrb": true,
+ "ledidx_rgb_status": [0],
+ "ledidx_rgb_boot": [0],
+
+ "use_backpack": true,
+ "debug_backpack_baud": 460800,
+ "debug_backpack_rx": 18,
+ "debug_backpack_tx": 5,
+ "backpack_boot": 23,
+ "backpack_en": 19,
+ "passthrough_baud": 230400
+}
diff --git a/targets.json b/targets.json
index ac7a855..a4178b6 100644
--- a/targets.json
+++ b/targets.json
@@ -1209,7 +1209,7 @@
                 "firmware": "Unified_ESP32_2400_RX"
             }
         }
-    },          
+    },
     "flysky": {
         "name": "FlySky",
         "tx_2400": {
@@ -3538,6 +3538,15 @@
             }
         },
         "tx_dual": {
+            "ax12": {
+                "product_name": "RadioMaster AX12 2.4/900 TX",
+                "lua_name": "RM AX12 X-Band",
+                "layout_file": "Radiomaster AX12.json",
+                "upload_methods": ["uart", "wifi"],
+                "min_version": "3.4.0",
+                "platform": "esp32",
+                "firmware": "Unified_ESP32_LR1121_TX"
+            },
             "nomad": {
                 "product_name": "RadioMaster Nomad 2.4/900 TX",
                 "lua_name": "RM Nomad X-Band",

From 3d0812420e5f9179d91e1a0a336b2fd79b150918 Mon Sep 17 00:00:00 2001
From: Bryan Mayland <bmayland@capnbry.net>
Date: Wed, 18 Mar 2026 12:29:40 -0400
Subject: [PATCH 2/3] If the validator insists

---
 TX/Radiomaster AX12.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TX/Radiomaster AX12.json b/TX/Radiomaster AX12.json
index 369a0d7..cdf2729 100644
--- a/TX/Radiomaster AX12.json	
+++ b/TX/Radiomaster AX12.json	
@@ -36,5 +36,5 @@
  "debug_backpack_tx": 5,
  "backpack_boot": 23,
  "backpack_en": 19,
- "passthrough_baud": 230400
+ "passthrough_baud": 460800
 }

From e4a0330c5259f223b806881812f23509886ee1a6 Mon Sep 17 00:00:00 2001
From: Bryan Mayland <bmayland@capnbry.net>
Date: Wed, 18 Mar 2026 16:08:13 -0400
Subject: [PATCH 3/3] Use KCT8270N gain

---
 TX/Radiomaster AX12.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TX/Radiomaster AX12.json b/TX/Radiomaster AX12.json
index cdf2729..5eddb45 100644
--- a/TX/Radiomaster AX12.json	
+++ b/TX/Radiomaster AX12.json	
@@ -23,7 +23,7 @@
  "power_values": [-18, -15, -12, -9, -5],
  "power_values_dual": [-18, -15, -13, -9, -5],
  "radio_rfsw_ctrl": [15, 0, 4, 12, 12, 2, 0, 1],
- "power_lna_gain": 15,
+ "power_lna_gain": 14,
 
  "led_rgb": 22,
  "led_rgb_isgrb": true,