3. At the installation site, secure the other end of the groundwire to a grounded mast, pole, tower, or grounding bar.WARNING: Failure to properly ground yourairFiber radio will void your warranty.Note: The ground wire should be as short aspossible and no longer than one meter in length.Mount to the airFiber AntennaFollow the instructions in this section to mount the AF‑11FX toan airFiber AF‑11G36 antenna:1. Attach the airFiber X radio to the antenna by aligning thefour tabs on the back of the radio with the slots of the radiomount. Then slide the radio down to lock it into place.