为通信授时应用专用设计电压范围：4v to 6v增益:38±2db(含lna增益)三阶滤波器内置避雷器连接器：n 型母头 gps antenna specifications
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http://www.gemsnav.com/cn_product_intro.asp?id=365
frequency range [mhz] 1575.42±5
gain [dbi] 38±2(lna included)polarization circular polarizationaxial ratio [db] ＜53db beam width (°) 110±10front to back ratio [db] ＞10dc voltage [v] 4~6dc current [ma] ≤45connector n femalelna specifications
frequency range (mhz) 1575.42±5gain (db) 34±2flatness in bandwidth (db) ＜1 (1575.42±1.023mhz)
＜2 (1575.42±5mhz)noise figure(db) ≤2.7out-of-band rejection(dbc) 12 (1575±30mhz)
35 (1575±50mhz)
70 (1575±100mhz)vswr s11≤2.5db(input)；s22≤2.5db(output)dc voltage [v] 4~6dc current [ma] ≤451db the dot of the export ≥0anti-surge performance according gb/t17626.5-1999; idt iec 61000-4-5:1995 standardmechanical specifications
radome material a b ssize [mm] ø112×205weight [kg] 1.42(including the gps clamp)operating temperature [℃] -40~+70reposition temperature [℃] -55~+75operating humidity [%] 95operating wind speed [km/h] 135rater wind speed [km/h] 200circumstance outdoor
深圳星火源电子有限公司
孙清
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深圳市宝安中心区