DIAMOND MOBILE ANTENNA BC202 430 to 490MHz with Cutting Chart Request product info Specification Length:1.15m / Weight:0.75kgGain:6.5dB / Max.power rating:200W / Impedance:50ohmsVSWR:Less than 1.5:1 / Rated wind velocity:55m/sec. / Mast diameter accepted:30-60φ / Connector:MJ / Type:2×5/8λ stacked GP our brands