Description:
Sim5320E is a GSM/GPRS module. You can send a message, make a call, transfer data through the GPRS or something else.

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 sets 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
Voltage supply: DC 4.6V~5.2V
Current required (minimum): 1A
GSM frequency: 850 / 900/ 1800 / 1900 MHz
WCDMA frequency: 900 / 2100 MHz
Operating temperature range: -40 °C to +85 °C
Size (mm): 41 * 50
Communication interface: a set of TTL level serial port, compatible with 3.3V or 5V MCU; a set of the USB interface, can be directly connected to the computer for debugging.
GPS antenna interface: A set of IPXmini antenna interfaces, the default is connected to an active GPS antenna.
GMS antenna interface: A set of IPXmini antenna interfaces, which provide a PCB antenna by default.
USB interface: mini USB interface.
Voice mic interface: The interface is a 2.54x4P single-row pin.
Indicator: A 0603 LED that indicates the operating status of the module and a 0603 LED that indicates the network status of the module.

The description of pins: 

Use the TTL interface connect with a MCU

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