Gprs wireless transmission dtu is the product of homson technology (dalian) corporation. It can realize the data of wireless transmission, acquisition and processing. This module employs siemens gprs dtu as a core part and use the latest most powerful industrial grade core ---- enhanced stm series cortex arm chip as the module of cpu. Gprs wireless transmission dtu to be excellent in security, efficiency and flexibility. This module also has good power management, power outage management and battery backup auxiliary function. The module's robustness, stability and applicability was greatly enhanced. Gprs wireless transmission dtu with remote diagnostics, testing, regulatory functions in order to meet the needs of the unattended, inspection and control between control center and other sites.