Attributes in bold are required. Connector: SO-239 N Sensor: HF-1 HF-1 w/RF View UHF-1 UHF-1 w/RF View UHF-2KW UHF-2KW w/RF View UHF-220 UHF-220 w/RF View UHF-70CM UHF-70CM w/RF View FM1 FM1 w/RF View SHF-1 SHF-2 SHF-3 AM-1 AM-1 w/RF View