H7118GPRS DTU system has a large range of applications, almost all in the low-rate data transmission services can be applied, such as urban distribution network automation, water, gas pipeline automation, commercial POS machines, INTERNET access, personal information, stock information, finance, transportation, public security and so on. In addition to supporting the traditional Internet applications, GPRS wireless terminal also supports B2B, B2C e-commerce and electronic payment, stock trading, bank transfer and other applications. GPRS DTU can be applied to the internal network (INTRANET), IP-based remote LAN access, the wireless terminal extension of a LAN.