Description:     Black VHF\/UHF 136-174MHz\/400-470MHz Car Radio Antenna NMO + Magnet Mount Base     Features:    1. Suitable for car mobile radio station. 2. Super short antenna、 good concealment、effectively. 3. Ultra short built-in circuit board、 signal to send and receive is strong.   Specification:   Gain: 2.5\/3 dB Max.power: 50 W Impedance: 50 Ohm Connector Type: NMO Antenna Length: 9 cm Cable Length:5 Meter Frequency Range: VHF136-174MHz\/UHF400-470MHz                   Package includes:    1 x Dual Band Antenna 1 x Antenna Base   Details pictures: