GPRS SIM900 TO NEOWAY M590 GSM SMS GPRS COMMUNICATION FLIP CARD SLOT REPLACE FOR ARDUINO

Sepcifications

1 Control of the serial port of the computer to send and receive messages, send and receive GPRS data

2 The single-chip microcomputer controls to send and receive messages, send and receive GPRS data

3 The type of telephone (none voice part cannot speak)

4 . Output

Current operating voltage: 3.7-4.2V 2 at

Default send speed: 115200