10-15USD
The King Pigeon GSM GPRS Data Logger is a low cost, M2M, data logger. it with Modbus RTU, RS232, RS485. The King Pigeon S240 GSM GPRS data logger is a low cost, M2M, data....
10-15 USD
GPRS Temperature Logger Record the machine temperature GSM GPRS DTU Remote control the Lab Temperature GPRS Data Logger GPRS Temperature Logger use in the machine room, lab....
Cheaper GPRS Data Logger Work more protocols RS485 GPRS RTU Remoe control units processing intelligent Transmitter data Cheaper GPRS Data Logger Work more protocols RS485 ....