Elecrow SIM808 GPRS/GSM GPS/Bluetooth Shield

• Elecrow SIM808 GPRS/GSM GPS/Bluetooth Shield
• Controlled by AT Command
• Compatible with Arduino Uno, Arduino Leonardo, Arduino Mega
• Powered via Arduino USB connection or Arduino external power supply

The Elecrow SIM808 GPRS/GSM GPS/Bluetooth Shield is a GSM and GPS two-in-one function module. It is based on the latest GSM/GPS module SIM808 from SIMCOM, supports GSM/GPRS Quad-Band network and combines GPS technology for satellite navigation.

The shield has high GPS receive sensitivity with 22 tracking and 66 acquisition receiver channels. It has a standard 4-pole TRRS headphone jack so that you can use any Android or iPhone-compatible headset with mic.

Also breakouts for external 32Ω speaker and electret mic if you don't want to use a headphone. This module can do just about everything, like make and receive voice calls using a headset or an external 32Ω speaker+electret microphone, send and receive SMS messages or send and receive GPRS data (TCP/IP, HTTP, etc.).