diff --git a/lib/util/settings.js b/lib/util/settings.js
index 6ff635cf3..218c0e304 100644
--- a/lib/util/settings.js
+++ b/lib/util/settings.js
@@ -139,6 +139,12 @@ const schema = {
         },
         ban: {type: 'array', items: {type: 'string'}},
         whitelist: {type: 'array', items: {type: 'string'}},
+        experimental: {
+            type: 'object',
+            properties: {
+                transmit_power: {type: 'number'},
+            },
+        },
         advanced: {
             type: 'object',
             properties: {
diff --git a/lib/zigbee.js b/lib/zigbee.js
index 258cb7545..ae55e26fb 100644
--- a/lib/zigbee.js
+++ b/lib/zigbee.js
@@ -75,7 +75,14 @@ class Zigbee extends events.EventEmitter {
 
         // Check if we have to turn off the led
         if (settings.get().serial.disable_led) {
-            this.herdsman.setLED(false);
+            await this.herdsman.setLED(false);
+        }
+
+        // Check if we have to set a transmit power
+        if (settings.get().experimental.hasOwnProperty('transmit_power')) {
+            const transmitPower = settings.get().experimental.transmit_power;
+            await this.herdsman.setTransmitPower(transmitPower);
+            logger.info(`Set transmit power to '${transmitPower}'`);
         }
     }
 
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 7d5f33025..454f92bc5 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -6170,9 +6170,9 @@
       }
     },
     "zigbee-herdsman": {
-      "version": "0.12.12",
-      "resolved": "https://registry.npmjs.org/zigbee-herdsman/-/zigbee-herdsman-0.12.12.tgz",
-      "integrity": "sha512-GPH8lO1C64tW5Vr74MwOAgkCLJhNj9ifENzGaNE7zSDErmwhxVSNMDklCdgTwySucNy5Fdt6r7JuBEvbnzzdUw==",
+      "version": "0.12.14",
+      "resolved": "https://registry.npmjs.org/zigbee-herdsman/-/zigbee-herdsman-0.12.14.tgz",
+      "integrity": "sha512-lltiWte3wLE/43asybU97JdAaYNupnQQh+WvZKfFRoNamJkgoLa3bp7aL4nPNNW/B+hjsrU0kuotVc6NmAcrug==",
       "requires": {
         "debug": "^4.1.1",
         "fast-deep-equal": "^2.0.1",
diff --git a/package.json b/package.json
index 63e83a8ba..382483392 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "rimraf": "*",
     "semver": "*",
     "winston": "*",
-    "zigbee-herdsman": "0.12.12",
+    "zigbee-herdsman": "0.12.14",
     "zigbee-herdsman-converters": "11.1.50"
   },
   "devDependencies": {
diff --git a/test/controller.test.js b/test/controller.test.js
index 5dda197f3..88320c6e3 100644
--- a/test/controller.test.js
+++ b/test/controller.test.js
@@ -34,6 +34,7 @@ describe('Controller', () => {
         expect(zigbeeHerdsman.constructor).toHaveBeenCalledWith({"network":{"panID":6754,"extendedPanID":[221,221,221,221,221,221,221,221],"channelList":[11],"networkKey":[1,3,5,7,9,11,13,15,0,2,4,6,8,10,12,13]},"databasePath":path.join(data.mockDir, "database.db"), "databaseBackupPath":path.join(data.mockDir, "database.db.backup"),"backupPath":path.join(data.mockDir, "coordinator_backup.json"),"acceptJoiningDeviceHandler": expect.any(Function),"serialPort":{"baudRate":115200,"rtscts":true,"path":"/dev/dummy"}});
         expect(zigbeeHerdsman.start).toHaveBeenCalledTimes(1);
         expect(zigbeeHerdsman.setLED).toHaveBeenCalledTimes(0);
+        expect(zigbeeHerdsman.setTransmitPower).toHaveBeenCalledTimes(0);
         expect(zigbeeHerdsman.permitJoin).toHaveBeenCalledTimes(1);
         expect(zigbeeHerdsman.permitJoin).toHaveBeenCalledWith(true);
         expect(logger.info).toHaveBeenCalledWith(`Currently ${Object.values(zigbeeHerdsman.devices).length - 1} devices are joined:`)
@@ -176,6 +177,13 @@ describe('Controller', () => {
         expect(zigbeeHerdsman.setLED).toHaveBeenCalledWith(false);
     });
 
+    it('Start controller with transmit power', async () => {
+        settings.set(['experimental', 'transmit_power'], 14);
+        await controller.start();
+        expect(zigbeeHerdsman.setTransmitPower).toHaveBeenCalledTimes(1);
+        expect(zigbeeHerdsman.setTransmitPower).toHaveBeenCalledWith(14);
+    });
+
     it('Start controller and stop', async () => {
         await controller.start();
         await controller.stop();
diff --git a/test/stub/zigbeeHerdsman.js b/test/stub/zigbeeHerdsman.js
index 99f2da7fa..ba0f73d23 100644
--- a/test/stub/zigbeeHerdsman.js
+++ b/test/stub/zigbeeHerdsman.js
@@ -139,6 +139,7 @@ const groups = {
 }
 
 const mock = {
+    setTransmitPower: jest.fn(),
     touchlinkFactoryReset: jest.fn(),
     start: jest.fn(),
     permitJoin: jest.fn(),