Description :   AL-800 10W Telescoping Dual band Antenna For Walkie Talkies  Specifications :   Model : AL-800 Color : Black + Silver Material : Plastic + copper Connector type :  SMA Female Band : Dual Band VHF\/UHF Frequency : VHF : 136~174MHz \/ UHF : 400~470MHz Gain : 3.2dBi \/ 5.6dBi Max Power : 10W Standing wave ratio (SWR) : Less than 1.5 Impedance : 50 ohm Diameter : 1.4cm. The base length : 7cm.     Telescopic antenna length : 22.2cm (retracted)\/94.5cm (full length).     Package included :   1 x AL-800 Telescoping Dual Band Antenna  Details pictures :