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Model: BY-GPS/Glonass-254
（i）Dielectric Antenna
Frequency（MHz ）：1575/1602
Center Frequency（MHz ）：1590
VSWR：1.5:1
Bandwidth（MHz ）：15  Min
Impedance（Ω）：50 
Peak Gain ＞4dBi Based on 7cm×7cm ground plane
Gain Coverage ＞-4dBi at –90°＜0 ＜+90°(over 75% Volume)
Polarization：RHCP
Power Handling（W ）：1 
（ii）Mechanical
Weight（gram ）＜10
Size（mm ）：25×25×4
（iii）Environmental
Working Temp：-40℃~+85℃
Storage Temp：-45℃~+90℃
Vibration：Sine sweep 1g(0-p)10~50~10Hz each axis
Humidity：Humidity95%~100%RH

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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