2、三層系統(tǒng)保護: 在原來兩級(軟件保護+CPU內(nèi)置看門狗保護,外置硬件看門狗保護)系統(tǒng)保護的基礎上,增加一級系統(tǒng)監(jiān)測保護SWP(System Watch Protect),徹底解決了業(yè)內(nèi)”假在線”,”假死機”,”當機”等疑難問題。
一、CM8350P EVDO 3G DTU無線參數(shù)
1、兼容IS-95 A/B, IS-2000 and 1XEV-DO(Revision 0 and A).
2、Transmit / Receive Frequency Interval:45MHz for Cellular and 80MHz for PCS
824.04 ~ 848.97 MHz for Cellular and 1851.25 ~ 1908.75MHz for PCS
869.04 ~ 893.97 MHz for Cellular and 1931.25 ~ 1988.75MHz for PCS
5、Number of Channel 832 for Cellular and 42 for PCS
6、Frequency Stability ±300Hz for Cellular and ±150Hz for PCS
Downlink (up to 3.1Mbps)
Uplink (up to 1.8Mbps)
二、CM8350P EVDO 3G DTU硬件系統(tǒng)
1、CPU:工業(yè)級高性能ARM9嵌入式處理器,帶內(nèi)存管理MMU,200MPS, 16KB Dcache,16KB Icache
產(chǎn)品關鍵詞: DTU,EVDO DTU,無線通信,通訊模塊,才茂 工業(yè)級EVDO 3G 頂級DTU,