Car GPS Signal Antenna Amplifier Booster with GPS Receiver + Transmitter 30DB for Phone Navigator _x000D_ _x000D_ _x000D_ The antennas contains a high performance GPS patch antenna and a high tech low noise amplifier; Provides excellent signal amplification and out-band-rejection for the receiver. _x000D_ _x000D_ Features: _x000D_ 1. Using dedicated filters for efficient signal transmission and high precision. _x000D_ 2. It adopts dual LNA two-stage amplifier, which has good signal strength and supports multiple devices at the same time. The broadband input is 1575-1602MHZ. _x000D_ 3.USB port GPS receiver. Can be used for common smart mobile phone, laptop, desktop computer, tablet PC etc. _x000D_ 4. Easy installation. Simple operation, only the relevant interface is plugged, turn on the power. _x000D_ 5. With magnetic mounting base. _x000D_ _x000D_ Specifications: _x000D_ Center Frequency: 1575.42MHZ1MHZ _x000D_ Bandwidth (MHz): 10MHZ _x000D_ Input Impendence (): 50 _x000D_ V.S.W.R: 1.5 _x000D_ Consumption Electric: