This product can be installed under the windshield of rear window or under the windshield of front window. Due to its high stability and super performance, the car will not be affected when adjusting the driving signal. You worth having it! Features: Strong signal reception and good directivity. Uses a high conductivity, low temperature coefficient FPC antenna as the receiving antenna. Fast and easy to install. Plug and play, lossless installation for stronger signal gain. Portable and small design allows you carry it around. MCX male connector for easy connection. Specifications: Working current 30MA-60MA Output impedance 50/75 Connector MCX Male Temperature Dynamic -20 C ~ +60 C Static -40C ~ +85C Line length 3m/118.11inch Operating voltage DC5V/DC12V Working current 30mA ~ 60mA Operating frequency 170mhz to 240mhz (three) 1452mhz to 1492mhz (L band) Output Gain 15dB 3dB (Band III), 18dB 3dB (L-Band) Installation method By patching V.S.W.R 2 NS 2dB Package List: 1 * DAB Aerial Antenna MCX Male