"Fibreglass antenna This 2.7 Metre antenna in a white tapered g.r.p. tube is extremely strong yet light in weight and with a most attractive appearance. The antenna has a bonded, chrome plated brass ferrule with a standard thread (1”/14 T.P.I.) allowing it to be screwed directly to any extension pole or metal base. This is a very popular antenna for power boats. Impedence :50 ohm, Frequency Range :156 - 162 MHz, Gain:3dBi or 6dBi, V.S.W.R. :<1.2 at 157 MHz, Length :2.7 Metre, Weight :0.70 kilo"