Features 1、ABS Material: The GPS antenna is made of ABS material, which is durable and easy to use without installation 2、Waterproof Protection: The GPS antenna is waterproof and sunproof , which can easily cope with various rain and complex environments 3、Independent Channel Transmission: The active antenna covers a wide range, with independent channel transmission faster, reducing co channel interference and enhancing signal gain 4、RG174 Red Copper Wire: The active antenna uses RG174 high density copper wire, which ensures small attenuation and stable transmission 5、Scope of Application: Widely used in automobile 4S shops, car dealers, bus stop announcers, driving samples, rental companies and individual DVD navigation, car maintenance, etc Specification Item Type: GPS Antenna Material: ABS, Red Copper Purpose: GPS Transmission and Gain GPS Frequency: L1 1575MHZ/1561MHZ BD Frequency: B1 1561.098MHZ±2.046MHZ Center Frequency: 1568MHz Antenna Gain: 42DBI Impedance: 50Ω Standing Waving Ratio: ≤1.5 Polarization Method: Vertical Polarization Application Areas: Car 4S Shops, Car Dealers, Bus Stop Announcers, Driving Samples, Rental Companies and Individual DVD Navigation, Car Maintenance and Other Equipment Package List 1 x GPS Antenna