GPS/BD1/BD2 Integrative Antenna
GPS Antenna Specifications
·Frequency Range [MHz]	2495±5       1616±5      1575±3       1561±5
·Polarization	RHCP       LHCP       RHCP       RHCP
·Impedance [Ω]	50
·Axial Ratio [dB]	＜5.0
·Gain(top) [dBi]	45±2         4          30±2          30±2
·3dB Beam Width [°]	100±10
·Signal Isolation [dB]	@BD1:90(min); @GPS/BD1:90(min)
·Transmitting Power [W]	10
·Front-to-back Ratio [dB]	≥10
LNA Specifications
BD1
·Noise Figure [dB]	≤2.0
·VSWR	≤2.0
·Out of Band Rejection [dB]	＞20 (2491.75±25 MHz)
	＞40 (2491.75±40 MHz)
	＞60 (1610~1620 MHz)
GPS&BD2
·Noise Figure [dB]	≤3.0
·VSWR	2.0(MAX)
·Out of Band Rejection [dB]	＞90 (1616±5 MHz)
GPS Receiver
·Receiver Type	BD1：3 Parallel Channels  6 Beams Processing GPS&B1： 50 Channel
·Time-To-First-Fix [s]	BD1： Cold Start (Typical) ＜2 Warm Start (Typical) ＜1 Reacquisition (Typical)  ＜1 GPS&BD1：  Cold Start (Typical) ＜29 Warm Start (Typical) ＜1 Reacquisition (Typical)  ＜1
·Sensitivity [dBm]	BD1   -110 GPS&BD1    -140
·Horizontal Position Accuracy [m]	BD1：positioning error in China≤300 (1σ，input vertical error 10m) GPS&BD1： ＜3
·1pps Accuracy	BD1：(1) Dynamic timing，error＜1us (1σ，input vertical error 10m) (2) Static timing (input positioning data of antenna)，error＜50ns((1σ, input longitude, latitude, height, position, error 10m)
·Max Update Rate	1Hz
Power
·Power Supply [V]	12
·Power Consumption [W]	40(max)
Interface
·Serial Interface	3.3V CMOS/TTL Compatible
·Connector	WT10-LJ-S07
Environmental Specifications
·Dimensions(D×H)  [mm]	φ128×69
·Radome Material	ASA
·Mounting	Magnet /Bolt
·Operating Temperature [℃]	-45～+85
·Operating Humidity [%]	≤95
·Waterproof	IP67