HFY-GW200 NB-IoT / 4G Modbus Gateway
HFY-GW200
No LoRaWAN coverage? The HFY-GW200 talks directly to the cellular network: read Modbus devices, convert to MQTT/JSON and post straight to ThingsBoard, Alibaba IoT or your own server. Includes local alarm rules and offline logging.
Key Features
- NB-IoT / Cat-M / LTE 4G with 2G fallback (global bands)
- Modbus-RTU master, transparent or JSON/MQTT modes
- Pre-configured ThingsBoard device template included
- Local alarm & control rules (SMS alert option)
- 12/24 V or solar powered; DIN-rail or field enclosure
Applications
Scattered monitoring points, wastewater stations, tank levels, irrigation pivots — anywhere wires can’t go.
Specifications
| Cellular | NB-IoT / Cat-M / LTE-FDD, global bands, 2G fallback |
|---|---|
| Ports | 1× RS485, 2× DI, 2× DO relay, 1× AI |
| Protocols | Modbus-RTU/TCP, MQTT, HTTP(S), TCP transparent |
| Alarms | Threshold rules, SMS / MQTT push |
| Power | 9–36 VDC; solar bundle available |
| Environment | −35…+70 °C, IP30 (field case: IP65) |