Features:Widely compatible with most walkie talkies with BNC connector.144/430MHz - U/V dual-band dual frequency.Features soft and flexible coil.Efficient and stable signal transmission.With the length of 38cm/15in, convenient to use.Specification:Type: AntennaConnector: BNCColour: BlackMaterial: ABSLine length: about 38cm / 15inRated power: 10WV.S.W.R: < 1.5Impedance: 50Gain: 2.15dBWeight: Approx. 43gPackage list:1 * AntennaApplicable Brands and Models:For TK100, TK200, TK210, TK220, TK300, TK310, TK320For IC-V8, IC-V80, IC-V82 , IC-U82 ,IC-W32For HT440, HT90: Maxon HR, CP500, CP520, 1015For EF Johnson 577, 578For Vertex Standard:734, 834, HR146, HX300, HX320, HX400, CU32, CP/CS 5015, 0420For Uniden HH979For Wilson HH152, HH154, HH156, HH462 , HH464For Other walkie talkies which need BNC antenna.Note:Please allow slight error due to manual measurement. Thanks for your kind understanding..