内容特点GPS芯片SiRF III电压范围+9V到+25V电池功率消耗正常模式(峰值) < 1.0A正常模式（平均值）< 300mA省电模式 < 50mA休眠模式 < 5mA操作范围温度-20℃～+60℃储存温度范围-20℃～+70℃湿度Up to 75% non-codensing外部天线连接50Ω同轴连接器外部SIM卡连接SIM卡连接器SIM卡适用电压3V传输功率Class 4(2W) for E-GSM 900 and 850Class 1(1W) for DCS 1800Class 1(1W) for PCS 1900灵敏度-104 dBm minimum for E-GSM 900 and 850-102 dBm minimum for DCS 1800-102 dBm minimum for PCS 1900语音编解码器三重率编解码器:Half rate –ETS 06.20Full rate –ETS 06.10Enhance Full rate-ETS 06.50/06.06/06.08GPRSMulti-slot Class 8(4Rx , 1Tx , 5 slot Max.)Support all 4 coding schemes(CS-1, CS-2, CS-3 and CS-4)● Maximum download speed is 85.6kbps● Maximum upload speed is 21.4kbps电路数据交换传输率14.4kbps接口Full duplex 3V CMOS-level Serial interface for AT commands protocol尺寸11.4 x 8.0 x 2.0 (cm)
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