This is a weatherproof balun with a 4:1 ratio, it’s purpose |> Sealed and molded PVC shell to ensure weather resistance. With this adapter, you can make your own antenna to suit HD TV UHF VHF FM, widely work with Radio, AV Receiver, TV Antenna, and Mini system: Sangean Cambridge Audio One Pure Evoke Tivoli Audio Demon Roberts Sony Marantz Yamaha Hitachi HiFi DAB Radio, etc.
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