Active GPS Antenna

GPS天线就是通过接受卫星信号,进行定位或者导航的终端。而接受信号就必须用到天线。 GPS卫星信号分为L1和L2,频率分别为1575.42MHZ和1228MHZ,其中L1为开放的民用信号,信号为圆形极化。信号强度为-166DBM 左右,属于比较弱的信号。这些特点决定了要为GPS信号的接受准备专门的天线。而我司的CERAMIC PATCH ANTENNA 优点在于体积小,且环境温度变化对其影响不大。

無標題文件

Environmental Conditions

Operation Temperature - 20℃ to + 65℃
Storage Temperature -30℃ to + 75℃
Relative Humidity 40% to 95%

Electrical Specifications

Input Voltage Min:2.7 V     Typ.: 3.0V     Max:3.3V
Current Consumption At 3.0V   Min:2mA  Typ: 4.2mA  Max: 5mA

Cable & Connector

RF Cable RF Coaxial Cable,ψ1.13± 0.1mm,
L = 227±4mm(with I-PEX Connector)
RF Connector I- PEX ( F )

Antenna

Antenna Dimensions 15mm*15mm*4mm
Frequency Range 1575.42 ± 1.023 MHz
1602± 6.5 MHz
Gain 1575MHz @ -6.5dBi at Zenith Typ.
1602MHz @ -4.5dBi at Zenith Typ.
Polaration RHCP
Output VSWR 2.0 Max

LNA

Frequency Range 1575.42 ± 1.023 MHz
1602± 6.5 MHz
Gain 18dB Typ.
Noise Figure 1.5dB Typ.
Output Impedance 50Ω
Output VSWR 2.0 Max

Total Specifications

Frequency Range 1575.42 ± 1.023 MHz.
1602 ± 6.5MHz.
Gain 1575MHz @ 11.5dBi at Zenith Typ.
1602MHz @ 13.5dBi at Zenith Typ.
Output Impedance 50Ω