Get the Teradek 13 - 0012 replacement antenna cap for your MK3.1 controller or receiver. It's a perfect fit for both the receiver and controller, ensuring seamless functionality.

Using this Teradek antenna cap is easy. Just take off the old cap from your MK3.1 controller or receiver and put on the new one. Make sure it fits snugly. When using, avoid dropping or hitting the antenna cap to prevent damage. For maintenance, clean it with a soft, dry cloth regularly. If you notice any cracks or signs of wear, it's time to consider getting a new one.