SIM808 GPS/GPRS/GSM is an integrated quad-band GSM/GPRS and GPS navigation technology Arduino expansion shields. A credit card size only, according to the standard Arduino pin packaging, compatible with Arduino UNO, Leonardo, Mega and other mainboard.
Compared to the previous generation SIM908, SIM808 made some improvement on performance and stability. In addition to the normal SMS and phone functions, the shield also supports MMS, DTMF, FTP and other functions. You can achieve the data acquisition, wireless data transceiver, IoT application and GPS orientating. The should integrates onboard microphone and headphone jack, saving your cost and making your project easily. it can also directly connect to the GSM and GPS antenna by an external antenna connector.
SIM808 GPS/GPRS/GSM Shield V1.0 uses the latest version of Simcom SIM808 module, compared with the early SIM808 module available in the market, the newer module has better stability.
SIM808 GPS/GPRS/GSM Shield x1