Jiashan Jinchang Electron Co.,Ltd is one of the leading external GLONASS antenna manufacturers and suppliers, welcome to import best GPS antenna, ISM antenna from our factory. GLONASS Antenna Advantage： 1.Antenna design and manufacture 2.No.1 of terminal antenna exporter in China 3.Quality advantage：100% test, 5 test process during production, FA,singl time pass rate 99%, 4.Technical advantage：high gain, low attenuation, signal receiving ability 5.30 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： According to the development of GLONASS system, now GPS/GLONASS dual band antenna are in hot requirement.It’s now our main export products in European market. The performance of GLONASS Antenna is as good as GPS Antennas. We now have many different types of GPS/GLONASS dual band antennas. There is patch with GPS center frequency and Glonass center frequency, also there is patch with around 1605MHZ. Application： The main function of the GLONASS Antenna is receive the GLONASS signal.It’s widely used in Navigation,Positioning,Waringdevices,Telematics communication,fleet management.It’s mostly used in automotive and PND. Component element： Ceramic patch antenna+LNA+CABLE+CONNECTOR+HOUSING Parameter table: Antenna Center Frequency 1592±3MHz Band Width CF±5MHz Polarization RHCP Gain 5dBic（Zenith） V.S.W.R ＜1.5 Impendance 50Ω Axial Ratio 3dB（max） Dimension 25×25×4mm LNA Gain 28±2dB Noise Figure ＜1.5 Filter Insertion Loss ＜3dB Ex-band Attenuation 35dB@CF±50MHz/50dB@CF±100MHz Supply Voltage 2.2~5V DC Current Consumption 16~32mA V.S.W.R ＜2.0 Cable RG174 Connector SMA/MCX/FAKRA or others Housing ABS Remark: Can meet your unique requirement, for example waterproof,Salt spray proofing,UV protect and so on. Please make sure there is no blog between the antenna and the satellite. Warry One year Package: 200pcs:  (49.5*22*27)*1carton with 15kgs as Gross Weight