Combines VHF (85–230MHz) and UHF (470–694MHz)Triple filtered to block 4G, 5G, and TETRAUHF port supports DC pass (12V/100mA)Compact, fully screened and easy to mountThe BLACOM21VU is a masthead diplexer designed to combine and separate signals across VHF (85–230MHz) and UHF (470–694MHz) frequency bands.