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（i）Dielectric Antenna
Center Frequency（MHz）：1575.42±3
VSWR：1.5:1
Bandwidth（MHz）：±5
Impedance（Ω）：50
Peak Gain ＞3dBi Based on 7cm×7cm ground plane
Gain Coverage ＞-4dBi at –90°＜0 ＜+90°(over 75% Volume)
Polarization：RHCP
（ii）GSM Antenna
Center Frequency（MHz）：850/900/1800/1900
VSWR：2.0:1
Impedance（Ω）：50
Typical Gain：2dBi+/-1dBi@850MHz ; 2dBi+/-1dBi@900MHz 
                          1dBi+/-1dBi@1800MHz;1dBi+/-1dBi@1900MHz
（iii）LNA/Filter
LNA Gain(Without Cable) ：28 dBi Typical
Noise Figure（dB）：1.5
Filter Out Band Attenuation (f0=1575.42 MHz)
7dB Min f0+/-20MHz ;
20dB Min f0+/-50MHz;
30dB Min f0+/-100MHz

VSWR ＜2.0
DC Voltage（V）：2.7/3.0/3.3/5.0/3.0 to 5.0 etc.
DC Current （mA）：11 Max
（iv）Mechanical
Weight（gram ）＜150
Size（mm）：44.0×35.5×14.0  
Cable GPS（m）：RG174 2,5 long etc.
            GSM（m）：RG174 2,5 long etc.
Connector GPS：SMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX etc.
                    GSM：SMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX etc.
Mounting：Adhesive or Magnetic
Housing：Black
（v）Environmental
Working Temp：-40℃~+85℃
Storage Temp：-45℃~+100℃
Vibration：Sine sweep 1g(0-p)10~50~10Hz each axis
Humidity：Humidity95%~100%RH
Weatherproof：100%Waterproof

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JIAXING BEYONDOOR ELECTRONICS CO.,LTD
Address: #101, Weiyi West Road, Dongzha  Economic Zone ,Jiaxing 314000,Zhejiang,China
Website:www.beyondoor.com
E-MAIL: frank@beyondoor.com
MSN:firstgps@hotmail.com
SKYPE NAME:beyondoorgps