CWT5002 gprs gsm modbus data logger, gprs mobus rt

CWT5002 GPRS Modbus Remote I/O Module, GSM GPRS Modbus RTU with Rs485 port Support 3G version ( skype: glare.wang) We Provide Free GPRS Server Software, Please contact us for more details Advance features 1. Adopted highly integrated industrial CPU 2. Easy used GUI configure software 3. Reliable performance with built-in double watchdog 4. Low maintenance, 24×7 operation 5. Support ring call when alarm 6. Temperature sensor (optional) 7. Internal battery and providing power