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IoT Gateways & Dataloggers – HFY Technology
HFY-DL100 LoRaWAN Field Data Logger
IP68 LoRaWAN data logger with RS485 master port — polls up to 8 Modbus sensors and uplinks over LoRaWAN on one battery…
HFY-GW200 NB-IoT / 4G Modbus Gateway
Cellular RTU gateway — RS485 Modbus to MQTT/HTTP over NB-IoT or 4G LTE, with ThingsBoard-ready payload, alarms and web configuration.