diff --git a/firmwareapi/pycom/network/bluetooth/README.md b/firmwareapi/pycom/network/bluetooth/README.md
index e1fd77b..7fe1da3 100644
--- a/firmwareapi/pycom/network/bluetooth/README.md
+++ b/firmwareapi/pycom/network/bluetooth/README.md
@@ -66,6 +66,14 @@ bluetooth = Bluetooth()
 
 Initialises and enables the Bluetooth radio in BLE mode.
 
+{% hint style="info" %}
+To use an external antenna, set `P12 as output pin.`
+
+```python
+Pin('P12', mode=Pin.OUT)(True)
+```
+{% endhint %}
+
 ### bluetooth.deinit\(\)
 
 Disables the Bluetooth radio.
diff --git a/firmwareapi/pycom/network/wlan.md b/firmwareapi/pycom/network/wlan.md
index 0716805..daf04cd 100644
--- a/firmwareapi/pycom/network/wlan.md
+++ b/firmwareapi/pycom/network/wlan.md
@@ -76,6 +76,14 @@ or
 wlan.init(mode=WLAN.STA)
 ```
 
+{% hint style="info" %}
+To use an external antenna, set `P12 as output pin.`
+
+```python
+Pin('P12', mode=Pin.OUT)(True)
+```
+{% endhint %}
+
 #### wlan.deinit\(\)
 
 Disables the WiFi radio.
@@ -144,6 +152,14 @@ Get or set the channel \(only applicable in AP mode\).
 
 Get or set the antenna type \(external or internal\).
 
+{% hint style="info" %}
+To use an external antenna, set `P12 as output pin.`
+
+```python
+Pin('P12', mode=Pin.OUT)(True)
+```
+{% endhint %}
+
 #### wlan.mac\(\)
 
 Get a 6-byte long `bytes` object with the WiFI MAC address.