DollaTek SIM900A V4.0 Wireless Extension Module GSM GPRS Board with Antenna Kit
- Onboard two sets of power interface VCC5 5V power supply, VCC4 interface, 4.8-5.2V power supply, optional power supply self-start (default) and control start..
- Onboard SMA (default) and IPXmini antenna interface, SIM900A interface retains reset..
- The size of the module is 49 * 50mm, all new and original equipment..
- The computer can power the early computer debugging USB module, and there is a very large amount of data under the recommended current of more than 1A..
- You can set up dozens of MA data in standby to provide 10MA low power sleep and sleep..