GROUPThe GT900 GSM terminal, manufactured by DECODE GROUP, is an electronic part equipped with GSM/GPRS, an 8-30 Volt DC power supply, an RS232 interface, an operating temperature range of -20°C to 75°C, an IP40 ingress protection rating, and a size of 86mm x 57mm x 26mm. It is designed to be used in a variety of applications, including home and building automation, remote control and monitoring, industrial automation, and wireless data and protocol services. It offers a range of features to make communications easier, such as data encryption, authentication, and tracking. Finally, it has an embedded SIM card slot, allowing users to easily switch between networks or subscribe to different services.