Jiashan Jinchang Electron Co.,Ltd is one of the leading external gsm antenna manufacturers and suppliers, welcome to import 900-1800mhz antenna, 850-1990mhz antenna from our factory. GSM Antenna(GPRS Antenna) Advantage： Quality advantage：100% test, 5 test process during production, FA,singl time pass rate 99%, Technical advantage：high gain, low attenuation, signal receiving ability 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: Global System of Mobile communication, well-known as the GSM, is the most widely used mobile phone standard. More than 1 billion people in more than 200 countries and regions are using GSM phones. GSM standards become very common in the mobile phone operators when sign a roaming agreement upon the user's international roaming. Compared with its previous standard, GSM’s biggest difference is that its signaling and voice channels are digital. So GSM is seen as the second generation (2G) mobile phone system. For signal receiving，including frequency: GSM/CDMA/PCS/DCS/UMTS/WCDMA Characteristics: It’s an omni-directional antenna Component element: PCB+ENCLOSURE+CABLE+CONNECTOR Parameter table: Antenna Frequency Range 824~960/1710~2170MHz Polarization Linear Gain 2dBi V.S.W.R ＜2.0 Impendance 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 Notes: Magnetic, adhesive, or screwing mouting as per customer’s installation requirement. Can meet your unique requirement, for example waterproof, salt spray proofing, UV protect and so on. Product use and considerations: No metal sheet covers above the receiving direction antenna signal. Product care and maintenance: One year re-calling and lifetime maintenance as quliaty guarantee. Packaging and transport of products: Plastic bag and carton package