GPS 天线 GPS Antenna

中心频率Center Frequency         1575.42MHz±3 MHz

电压驻波比V.S.W.R                     1.5:1

带宽Band Width                         ±5 MHz

阻抗Impendence                  50 ohm

最高增益Peak Gain                  ＞3dBic  Based on 7×7cm ground plane

增益范围Gain Coverage        ＞-4dBic at –90°＜0＜+90°(over 75% Volume)

天线极化Polarization               RHCP

 GSM天线 GSM Antenna

频率Center Frequency           824MHz~960MHz

                                1710MHz~1990MHz

电压驻波比V.S.W.R               2.0:1

阻抗Impendence                  50 ohm

典型增益Typical Gain           2dBi+/-1dB@900MHZ    

                              1dBi+/-1dB@1800MHZ

  放大器/滤波器LNA/Filter

放大器增益LNA Gain(Without cable)   28dB Typical

噪声系数Noise Figure                1.5dB

滤波器带外衰减 Filter Out Band Attenuation (f0=1575.42 MHZ)

7dBＭin     f0+/-20MHZ ;

20dBＭin    f0+/-50MHZ;

30dBＭin    f0+/-100MHZ

输出电压驻波比V.S.W.R              ＜2.0