Frequency: 144/430MHz & Wide Band Gain(MAX): 3.0dB(144MHz) 5.5dB(430MHz) Max Power: 20W Inpedance: 50 OHM V.S.W.R.: LESS1.5 Length: 21.5cm(92.1cm full stretch) Connector: BNC Weight: 90g Compatible Models: for for TK100,TK200,TK210,TK220,TK300,TK310,TK320,TK-208,TK-,-42AT,-22AT,-28A, -48A ,-78A ,-79A for Icom for IC-V8, IC-V80, IC-V82 , IC-U82 ,IC-W32,IC-V85 for for HT440, HT90: , CP500, CP520, 1015 for EF for 577, 578 for Standard: for 734, 834, HR146, HX300, HX320, HX400, CU32, / 5015, 0420 for for HH979 for for HH152, HH154, HH156, HH462 , HH464 for Others: for , , HYT, , , suitable for BNC connector. Color: Picture Color Material: Metal+ABS Package Include: 1 X RH-770 Antenna (BNC) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.