3G Shield is an expansion board based on the SIM5216E Module, and SIM5216 series module is a multi-frequency HSDPA / WCDMA / GSM / GPRS / EDGE module solution that supports HSDPA data transmission at a speed of no more than 3.6Mbps. 3G Shield can directly replace the SIM5215, compatible with its Hardware and Software. The rich application features of 3G shield, such as supporting embedded LUA script, or TCP/ UDP/ FTP/ HTTP/ HTTPS/ SMTP/ POP3/ MMS and other software features, provide customers with more application flexibility, and greatly facilitate customers to do application integration. Meanwhile, its unique camera interface and video telephony features provide additional value to the monitoring program. The module can be widely used in meters, gateways, automotive telematics, asset tracking and security monitoring solutions.