The Sirio ML145 Mag Kit is a CB & 10m mobile antenna tunable from 27 to 28.5 MHz and offers protection from static discharges DC-Ground Supplied with a strong stainless steel spring 17/7 PH tapered stainless steel whip, standard connection PL259 and 3.6 metres of RG58 cable Key Features/Specifications: CB & 10m Mobile Antenna tunable from 27 to 28.5 MHz Comes with Magmount Protection from static discharges DC-ground 17/7 PH tapered stainless steel whip Impedance: 50 ohm unbalanced Radiation (H-plane): 360deg omnidirectional Polarization: vertical Bandwidth at S.W.R. 2:1: 1340 KHz S.W.R. at res. freq.: = 1.2 Max. power: 300 Watts (CW) continuous 900 watts (CW) short time Connector: UHF-male (PL 259) Cable length and type: 3.6 m of RG 58 Approx. length of antenna: 1420mm