... meter, flowmeter, PLC) to user or monitoring center by GPRS. The King Pigeon S2XX Serial GSM/GPRS Remote Controller equipped Siemens MC55i ... application requirements.A GSM GPRS Remote Termials (GSM GPRS Remote Controller). It can work with the supervisioning center, in the ... ; 18. PLC and Automation System, M2M;19. GSM Access Control System, GSM Gate Opener, etc. GSM/GPRS Remote Controller,gsm remote ...