From a229208f29a59cf1d8cfa24cbb7567a08f2d1771 Mon Sep 17 00:00:00 2001
From: Quency-D <55523105+Quency-D@users.noreply.github.com>
Date: Tue, 3 Mar 2026 17:30:14 +0800
Subject: [PATCH] Add the LORA FEM control variable. (#869)

---
 meshtastic/config.proto | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/meshtastic/config.proto b/meshtastic/config.proto
index f1cdc4f..33eaa58 100644
--- a/meshtastic/config.proto
+++ b/meshtastic/config.proto
@@ -992,6 +992,23 @@ message Config {
       LONG_TURBO = 9;
     }
 
+    enum FEM_LNA_Mode {
+      /*
+       * FEM_LNA is present but disabled
+       */
+      DISABLED = 0;
+
+      /*
+       * FEM_LNA is present and enabled
+       */
+      ENABLED = 1;
+
+      /*
+       * FEM_LNA is not present on the device
+       */
+      NOT_PRESENT = 2;
+    }
+
     /*
      * When enabled, the `modem_preset` fields will be adhered to, else the `bandwidth`/`spread_factor`/`coding_rate`
      * will be taked from their respective manually defined fields
@@ -1112,6 +1129,10 @@ message Config {
      * Sets the ok_to_mqtt bit on outgoing packets
      */
     bool config_ok_to_mqtt = 105;
+    /*
+     * Set where LORA FEM is enabled, disabled, or not present
+     */
+    FEM_LNA_Mode fem_lna_mode = 106;
   }
 
   message BluetoothConfig {