USR-GM3 User Manual www.usriot.comJinan USR IOT Technology Limited 7 / 54 tec@usr.cn In water industry, USR-GM3 is also plays a significant role in system of water set copy, water resource management and remote monitoring, wireless communication of water pipe network monitoring. In Environmental protection , USR-GM3 module can be integrated into the on-line monitoring system of flue gas on-line monitoring (CEMS), water quality online monitoring. In the field of equipment maintenance ( Equipment maintenance field),USR-GM3 use in thesystem of equipment remote monitoring, such as elevator monitoring, air conditioningmonitoring. Other GPRS communication applications .