Cheaper Sms Water Meter Gsm Modbus I / O Module S273 - gsmrtusystem (
China ) - Offers to Sell and Export - Saturday 6 August 2016 10:07 am - cheaper sms water meter gsm modbus i o module s273
model s273
name amp #65306 gsm 3g m2m rtu
the gsm 3g m2m rtu is a multi i o port remote terminal unit through the rs232 485 port can connect inte... [2G GSM mobile core network equipment and components]