The USR-GPRS232-7X-EVK is a development board/kit manufactured by USR that is RoHS compliant. It is designed to provide easy and efficient wireless data transmission/reception capabilities and allows customers to quickly develop their own applications. The module is Arduino compatible, and it has an STM32 Cortex M3 processor, an RTL8721AM Bluetooth module, and a GPRS/GSM antenna, amongst other things. In addition, it includes an on-board serial port that allows easy connection to other devices. The board also provides a wide range of interfaces for connecting to external devices such as LED indicators, camera and microphone, etc. Additionally, the board is equipped with a USB port for connecting to a computer and programming the device.