Jiashan Jinchang Electron Co.,Ltd is one of the leading external amps antennas manufacturers and suppliers, welcome to import external amps antennas from our factory. AMPS Antenna Advantage: 1. Quality advantage：100% test, 5 test process during production, First time pass rate 99%, 2. Technical advantage：high gain, low attenuation, signal receiving ability 3. 28 years experience in research and development, 30 engineers have helped us develop our current selection and trained our 200 production workers to ensure they stay on top of the latest technology. Product summary: AMPS antenna mainly use in America.  Application: Used to receive and transfer the GSM signal， including frequency: GSM/CDMA/PCS/DCS/UMTS/WCDMA Product performance: omni-directional antenna Component element: PCB+ENCLOSURE+CABLE+CONNECTOR Parameter: Antenna Frequency Range 850-1900MHz Polarization Linear Gain 2dBi V.S.W.R ＜2.0 Impedance 50Ω PCB Dimension 104.6×15×1mm Mechanical Cable RG174 Connector FAKRA/SMA or others Radome Material ABS Mounting Method Adhesive Environmental Operating Temperature -40℃~+85℃ Relative Humidity Up to 95% Vibration 10 to 55Hz with 1.5mm amplitude 2hours Environmentally Friendly ROHS Compliant Remark: According to the mounting environment, can choose different mounting method: magnet, adhesive and screw. Can meet your unique requirement, for example waterproof,Salt spray proofing,UV protect and so on. Operation and notes: No metals in the direction of receiving signal Product maintenance:  1 year guarantee of replacement for the quality problem; Life-long maintenance Packing: Plastic bag and carton