AT 20 Coaxial Antenna 1 Set = 2 Unit Antenna - A 1/2 wave coaxial antenna features wideband, omnidirectional reception. - Directly mounts on the receiver for increasing sensitivity and operating range. Features Freq 6C-7A Type Receiver antenna Feature A 1/2 wave coaxial omni-directional antenna. Frequency Range UHF 620 – 960 MHz Antenna Gain 2.15 dBi Impedance 50 Ω Connector TNC male Note Refer to actual product in the event of product description discrepancy. Overview The AT-20 is a 1/2 wave coaxial antenna that functions like a dipole antenna, featuring 2.15 dBi gain, 50 Ω impedance, and omni-directional reception. Directly mounts on the antenna connectors of a receiver for adequate sensitivity and operating range.