Temperature recorder IoT gateway 3 channel 4-20mA analog input 4G RTU data acquisition WiFi GSM modbus RTU 485 wholesale
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$89.00 - $129.00
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GPRS 3G 4G digital input output analog input 4-20mA 0-5v rs485 Sensor To Cloud NB-IoT, LoRa, Ethernet,remote meter reading
CWT5111 Gsm Gprs 2G 3G 4G WiFi M2M Industrial Data Acquisition Module Wireless SMS Alarm Remote Controller RTU Terminal Unit
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$120.00 - $150.00
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Shipping per piece: $19.12