User Manual

SIM900/A V3.8.2 DATASHEET
Tech Support: [e-mail]
Overview
This SIM5320E V3.8.2 module has a set of TTL level serial interface, a set of power
supply interface. Besides, there are two set of antenna interface on this module, and
one is designed for GPS and the other is for GSM/GPRS.
Basic features
 Arduino 51 STM32 AVR MCU compatible
 Prototype expand
 The frequency: 850/900/ 1800/1900 /WCDMA 900/WCDMA2100 MHz.
 Power supply range: voltage is 4.6-5.2v; current is 1A or more(the current is very
important).
 Operating temperature range: -40 degrees C to +85 C
 Communication interface: The TTL level serial interface compatible 2.85 3.3 5v
MCU
 Size:41*50mm
Hardware