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- Some Service provider are starting to shut down 2G / GPRS network now, for some area or for all.
- For example in china, china mobile still get use GPRS, but china unicom can not use GPRS for some tested area anymore.
- Please make sure your local GPRS network is working.
|SIM808||45||GSM/GPRS/ + GPS|
|MT2503 ED20||38||GSM/GPRS/ + GNSS|
- DMTF - send or recorgnize the number button pressed by user, and send from module
- LBS: GSM network location
- EAT: Embedded AT, secondary development supported (opencpu)
- TTS_CN: text to speech, chinese only
- BT: Bluetooth