G3-470特点Features:
◆ 内置GPS***,保护罩
◆ 完全的SiRFstarIII GPS结构
◆ GSC3F/LP 高性能GPS单芯片
◆ GPS DSP 以及内置RTC时钟的 ARM7TDMI CPU 处理器
◆ 4Mbit FLASH 存储空间
◆ 低噪声运放和 SAW 滤波器
◆ 温度补偿晶体振荡器, Reset 和校准器等功能
◆ 内置备用电池
尺寸SIze(mm):
◆ 天线Antenna : 35(w)mm X 35(d)mm X 3(h)mm
◆ 模块Module: 55.6(w)mm X 62.6(d)mm X 16.2(h)mm
特性Speciality:
◆ 44 mA
◆ 模块电压 DC supply 5V
G3-470性能参数Performance Parameter:
◆ Receiver type : L1 frequency, C/A Code, 20-channel
◆ Max up-date rate : 1 sec
◆ Accuracy (SA off) : Position < 10m 3D RMS
◆ 3D Tracking Sensitivity : -155dBm at the receiver input(typical)
◆ Operational Limits : Altitude < 18,000m (60,000ft) Velocity < 515m/s (1,000knots)
◆ Cold Start 60sec (typical)
◆ Warm Start 40sec (typical)
◆ Hot Start < 3sec (typical)
◆ 4Mbit FLASH memory