資料來源:https://www.seeedstudio.com/LoNet---Mini-GSM%2FGPRS%2FGPS-Breakout-p-2183.html
We have an updated product: LoNet 808 - Mini GSM/GPRS + GPS Breakout
For customers who had ordered the old version will get the new one for replace.
LoNet is a GSM and GPS two-in-one function module. It is based on the latest GSM/GPS module SIM808 from SIMCOM, supports GSM/GPRS Quad-Band network and combines GPS technology for satellite navigation.
It features ultra-low power consumption in sleep mode and integrated with charging circuit for Li-Ion batteries, that make it get a super long standby time and convenient for projects that use rechargeable Li-Ion battery. It has high GPS receive sensitivity with 22 tracking and 66 acquisition receiver charnels. Besides, it also supports A-GPS that available for indoor localization.
The module is controlled by AT command via UART and supports 3.3V and 5V logical level. It comes with a mini GPS and GSM antenna, but not includes Li-Po battery. In addition, to use this module, you still need an unlock SIM-Card supporting GPRS service.
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