Description

IM800 module is a GSM / GPRS module. The development board supports China Unicom mobile 2g / 3g / 4g card.

1. DC6-24v wide voltage power supply, can be used to facilitate the use of your power supply system. High-performance circuit board DC-DC power, coupled with TVS protection, so that the stability of the system is greatly improved

2. support 3.3 v / 5 v TTL level control, convenient and all kinds of commonly used microcontroller.

The modules are listed separately in TX / RX / GND, use and convenience

3. With standard serial interface, easy to use PC control or debugging

4 with headphones and microphone interface, it may be convenient to test the GSM voice call