Thunderpole 1/2 Hi Gain Wave | CB Radio Aerial Silver Rod Type Home Base Antenna
Thunderpole 1/2 Wave Hi Gain | CB Radio Aerial. The 'Thunderpole 1/2 Wave Hi Gain' is a 'Silver Rod' type antenna. It has 3 ground planes on the bottom. This allows it to perform better on transmit than the standard 1/2 wave.