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Diamond (Original) SRH77CA 144/440 MHz. Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz.
144440 MHz Dual-Band High Gain Handheld Antenna
Rx 120900 MHz Gain 440 Mhz 215 dBi Max Power 10 Watts Length 15 SMA
Does not work with Baofeng radios