全球定位系统/全球移动通信系统天线的组合

1) Dieletric antenna Center frequency: 1,575.42MHz+-3MHz V.S.W.R: 1.5:1 Band width: +-5MHz Impendence: 50 ohms Peak gain: >3dBic based on 7 x 7cm ground plane Gain coverage: >-4dBic at -90<0<+90 degree (over 75% volume) Polarization: RHCP 2) GSM antenna Center frequency 824MHz 894MHz (AMPS), 880MHz 960MHz (GSM) 1,710MHz 1,990MHz V.S.W.R 2.0:1 Impendence 50 ohms Typical gain 2dBi+/-1dB@850MHz; 2dBi+/-1dB@900MHz 1dBi+/-1dB@1,800MHz; 1dBi+/-1dB@1,900MHz 3) LNA/filter LNA gain (without cable) 28dB typical Noise figure 1.5dB Filter out band attenuation (f0=1575.42MHz) 7dB min f0+/-20MHz 20dB min f0+/-50MHz 30dB min f0+/-100MHz V.S.W.R <2.0 DC voltage 2.7V/3.0V/3.3V/5.0V/3.0V to 5.0V/other DC current 11mA max. 4) Mechanical Weight <240g Size 65mm x 38.5mm x 37mm Cable GPS-RG174 2 meters, 5 meters long or other GSM-RG174 2 meters, 5 meters long or other Connector GPS-SMA/SMB/SMC/BNC/FME/TNC/MCX /MMCX or other GSM-SMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX or other Mounting screw mounting Housing black 5) Environmental Working temp.: -40°C +85°C Storage temp.: -45°C +100°C Vibration sine sweep: 1g (0-p) 10 50 10Hz each axis Humidity: 95% 100%RH Weatherproof: 100% waterproof