pdf link is fail
https://www.seeedstudio.com/SIM808-GSM%26GPRS-%2B-GPS-Module-p-2523.html
All datasheet link is all failure.
1
vote

https://www.seeedstudio.com/SIM808-GSM%26GPRS-%2B-GPS-Module-p-2523.html
All datasheet link is all failure.