VH-1210-VHF Mobile Antenna Features: FREQUENCY : 136-174MHz (by WHIP CUT TUNING) GAIN : 2dBd V.S.W.R. LESS THAN 1.5 IMPEDANCE : 50 OHMS POWER CAPACITY : 220W 3.5" MAGNET BASE ; 14FT. RG-58/U COAX. CABLE+UHF PLUG(PL-259) LENGTH : 57 cm