產品概述


北斗汽車行駛記錄儀產品是由組合天線、記錄儀主板、外殼結構等組成。其中主板包括MCU、數據存儲模塊、Wi-Fi模塊、HUT模塊、M-CDMA 模塊、BD導航模塊、報警模塊和電源管理等模塊組成,記錄儀對外接口有4合1組合天線接口、汽車信息接口和導航信息接口等。


技術指標


衛星定位模塊

BD-B1、GPS-L1 雙模,位置誤差<20米,里程誤差<2%,速度誤差<1 km/h,時間誤差<10μs

無線通信模塊

Wi-Fi,通信距離15~25米、通信速率≮200Kbps

存儲模塊

ROM 容量≮256Mb,外設SD卡8GB以上,斷電保存時間≮200天

報警模塊

蜂鳴器,功率≮200mW,頻點≮2kHz,采用內置模式,固定焊接到PCB板上,位置由結構和電氣特性決定

通信模塊

CDMA,支持透明(加密)傳輸,支持數據和短信兩種方式(默認數據方式)

物理特性

尺寸:142mmx95x35mm

重量:小于0.8kg


環境特性

工作溫度:-20℃~+70℃;

存貯溫度:-40℃~+85℃;

振動:GJB367A 土路(碎石路)汽車(方艙)環境。

 


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