Specifications:

• SIM800 module is a GSM/GPRS module.
• DC6-12v wide voltage power supply, can be used to facilitate the use of your system power supply. Board high performance DC-DC power circuit, coupled with TVS protection, so that the stability of the system is greatly improved
• Support 3.3 V / 5 V TTL level control, convenient and all kinds of commonly used microcontroller.
• The modules are separately listed in TX/RX/GND, use and convenience
• With standard serial interface, easy to use PC control or debugging
• With headphones and Mike interface, can be convenient to test the GSM voice call function
• With SIM card ESD protection chip, protection of electrostatic SIM card plug when the
• All available SIM800 pins are out to facilitate you to develop a variety of SIM800 applications
• With RTC back-up battery
• Have NET_STA light, convenient to watch the current SIM800 state.
• Board size 83mm*54mm