UHF Antennas RFI CDQ5000 RFI CDQ8000 ZCG Scalar 12dBi 477MHz UHF Base Station Antenna ZCG Scalar 6.6dBi UHF CB Elevated Feed Antenna ZCG Scalar 8.1dBi 477MHz UHF Base Station Antenna ZCG Scalar Heavy Duty 6.6dBi 477 UHF CB Antenna