SIM800A Wireless GSM GPRS Extension Module

Description

• Arduino 51 STM32 AVR MCU compatible
• Prototype expand
• The frequency is 850/900/1800/1900 MHz
• Power supply range: voltage is 5-12V; current is 1A or more (the current is very important).
• Operating temperature range: -40 °C to +85 °C
• Communication interface: The TTL level serial interface compatible 2.85/3.3/5V
• LED: Two led, the Net led and the RING led.
• Size: 48*50mm
• SIMCARD: micro SIMCARD holder