Synchronization Mode: Internal synchronization
The advantages of these modules are the VCC and TTL serial levels that have 5V voltage
High receiving sensitivity
25 motor brackets: 1 pc
SIM868 GSM GPRS GNSS Bluetooth 3.0 HAT for Raspberry Pi soldering Synchronization Mode: Internal synchronizationThis is a handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth. It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth, and so on. General Supports SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc. Support GPS, COMPASS, Glonass, LBS base station positioning, omni positioning Bluetooth 3. 0,