For that price, lots of people have had the opportunity to explore the module itself, and [marcrbarker] shows some of the extra, unadvertised, features it has. Acting as a GSM module that can send ...

This tasty proof-of-concept cellular sandwich is made by adding a Sim900 GSM/GPRS module, which communicates via UART, to the Pi/TFT hardware while using a piece of foam core board in the middle ...

The IP/GSM Receiver receives TCP/IP events and alarms generated by the ACM or GSM/GPRS. When the encrypted data is transmitted to the IP/GSM Receiver, the encryption is opened and, in turn, forwarded ...

A UMTS/HSDPA embedded wireless module from Quectel, which supports the migration from GPRS to UMTS, will be demonstrated by MSC Technologies at Embedded World 2014 exhibtion in Nuremberg later this ...

Professional installers around the globe choose LightSYS™ for their mass-market installations. LightSYS™ Hybrid Security System offers ultimate flexibility, with advanced IP and GSM/GPRS communication ...