Long range CB mobile radio antenna (RH-771S ) 1. Max power 10W 2. Impedance 50 ohm ... Band Long range CB mobile radio antenna(RH-771S)Specifications:Frequency144/430/120/150/300/450/800/900MHZMax power10W V.S.W ... -60R, VX-160, VX-180, VX-400, VX-300, VX-800, FT- 270R, FT-250R,, VX-230,VX-8DR, VX-8GR ...