General description The RH770 Dual Band Telescopic Antenna is designed for enhanced communication with walkie talkies, offering a frequency range of 144/430MHz. This high-gain antenna improves signal reception and transmission, making it an essential accessory for various compatible models. Technical specifications Frequency: 144/430MHz Dual Band Gain (MAX): 3.0dB (144MHz), 5.5dB (430MHz) Max Power: 20W Impedance: 50 Ohm V.S.W.R.: Less than 1.5 Length: 21.5cm (92.1cm full stretch) Connector: SMA-Female Weight: 85g Compatibility and accessories This antenna is compatible with a wide range of models, including: - HYT: TC-268, TC-268S, TC-270, TC-270S - XINJIE: X6Plus - Linton: -2288, -5288, -2188, -2268, -A188S, -E320, -777, -666, -3288, -888, -888K, -328, -333, -999, -555 - KG: KG-659, KG-679, KG-669, KG-689, KG-699, KG-801, KG-703, KG-UVD1P, KG-816, KG-833 - V-2180 - WEIERWEI: -3288S, V-1000, -3288 - UV-5R series: UV-5R, UV-5RA, UV-5RA+Plus, UV-5RB, UV-5RC, UV-5RE, UV-B5, UV-B6,