4G routers used in unmanned engine room remote monitoring

Jul 29,2016

Outline In recent years, due to the increasing amount of information and communication and increase security room is increasingly apparent, especially for some key sectors and enterprises, the engine room of these units if the accident will directly affect the normal office units, are more likely to lead to other ACCIDENT. For a long time, …

Query whether gprs module can connect to the Internet

Mar 01,2016

Connect serial of GPRS module with serial of PC ;open USR-GPRS-Modems software to set AT command. 1.Query whether GPRS module can identify SIM card [Send] : AT+CIMI<CR> [Receive] : 460001142971927 [Note] : obtain IMSI The command is aimed to reading or identifying IMSI of SIM card 2.Query whether GPRS module can connect to the Internet …

Using GPRS Modems for Remote Data Acquisition of Temperature and Humidity Sensor

Feb 29,2016

1. GPRS setting method to connect to the Internet and communications:http://www.usr.so/Faq/79.html 2. Method according to the above communication networking success, and then install VCOM software. 3. Sensor adopts the modbus RTU communication protocols, we use modbus poll software to collect data. Set the connection for the virtual serial port com1 serial port(premise:Setting GPRS module and …