Click here, you can see more products about GSM Antenna.（i）Dieletric Antenna Center Frequency 1575.42MHz±3 MHz V.S.W.R 1.5:1 Band Width ±5 MHz Impendence 50 ohm Peak Gain ＞3dBic Based on 7×7cm ground plane Gain Coverage ＞-4dBic at -90°＜0＜+90°(over 75% Volume) Polarization RHCP（ii）LNA/Filter LNA Gain (Without cable) 28+/-3dB Noise Figure 1.5dB Typ. Filter Out Band Attenuation (f° =1575.42MHz) 7dB Ｍin f0+/-20MHZ ;20dB Ｍin f0+/-50MHZ;30dB Ｍin f0+/-100MHZ V.S.W.R ＜2.0 DC Voltage 2.7V/3.0V/3.3V/5.0V/3.0V to 5.0V/other DC Current 5mA /11mA/15mA Max（iii）Mechanical Weight ＜100gram Size :45x36x14mm Cable :RG174 3 meter Connector :HRS GT5-1S Plug default/SMA/SMB/TNC/MCX /MMCX... Mounting Magnetic base（iv）Environmental Working Temp -40℃~+85℃ Storage Temp. -45℃~+100℃ Vibration Sine sweep 1g(0-p)10~50~10Hz each axis Relative Humidity 95% non-condensing Weatherproof 100% Waterproof(V) FEATURES: Compact Construction Magnet and Screw Mount Base Excellent Temperature Stability Low Noise Figure(VI) APPLICATIONS: Automobile GPS Bluetooth Receiver Vehicles /Car Tracking Navigation System AVL / Fleet Management Systems External Antenna for Handheld GPS External Antenna for PDA Navigation