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DTX-221
Radio Short Antenna Radio Antenna Replacement 764-870 MHz Singla Band and 7-800 with GPS (2 Pack)
Frequency Range: UHF 764-870MHz
Gain: 3.5dBi
Direction: Omni-directional
Impedance: 50 ohm
Max Input Power: 8W
Antenna Length: 3.58 inch
http://www.sifangradios.com/