Sigma 1/2 Wave High Gain HEAVY DUTY ALUMINIUM CB Base Station Antenna 10m & 11m
(The Sigma Venom 1/2 Wave H/Y Gain has 3 ground plains radials positioned on the bottom. This allows it to perform better on transmit than the standard 1/2. or 18 gauge wall thickness which is an upgrade from the standard 1/2 wave High Gain ).