Product Datasheet · Model GW22 / GW22-D
Industrial listening hub for substation automation and switchgear continuous thermal monitoring. Aggregates up to 1,000 wireless temperature sensors and connects directly to SCADA, DCS, and cloud platforms via Modbus TCP, MQTT over TLS, and IEC 60870-5-104.
Direct answer. The GW22 (and dual-band GW22-D) is a DIN-rail/wall-mounted industrial wireless gateway hub designed to aggregate up to 1,000 VTI-TS sensors across substations and switchgear rooms. Operating as a passive, receive-only listening hub, it introduces zero radio frequency interference to existing protection relays or communication lines.
It supports open standard utility protocols: Modbus TCP, MQTT over TLS, and IEC 60870-5-104 for direct integration into SCADA/DMS and asset-health platforms. Native IEC 61850 is currently on the development roadmap.
A single gateway handles up to 1,000 temperature sensors across multiple switchgear lineups or an entire outdoor substation bay.
GW22-D receives short-range high-density BLE signals from indoor switchgear and long-range LoRa signals (up to 3 km) from outdoor switchyards simultaneously.
Transmits point temperature, phase-to-phase ΔT, and alarms over Modbus TCP, MQTT over TLS, and IEC 60870-5-104. No proprietary cloud lock-in.
Passive listening architecture ensures the gateway never transmits high-power RF that could interfere with sensitive numerical protection relays.
Wide-range power supply connects directly to substation station battery banks (110–220 V DC) or standard AC auxiliary distribution boards.
Dimensions of 93 × 84 × 24 mm and 200 g weight allow installation on standard 35 mm DIN rails inside low-voltage switchgear instrument compartments.
| Parameter | Specification |
|---|---|
| Model Versions | GW22 (standard) · GW22-D (dual-band BLE 2.4 GHz + LoRa sub-GHz) |
| Sensor Capacity | Up to 1,000 VTI-TS-22 / VTI-TS-26 sensors per gateway |
| Wireless Reception (GW22-D) | Dual-band: 2.4 GHz BLE + LoRa (AS923, IN865, EU868 per country code) |
| Radio Operating Mode | Passive receive-only listening hub (non-interfering) |
| Network Interfaces | 1 × RJ45 10/100 Mbps Ethernet · 1 × RS485 serial port (isolated) |
| Industrial Protocols | Modbus TCP · MQTT over TLS · IEC 60870-5-104 |
| IEC 61850 Capability | Currently on the development roadmap (not native in current firmware) |
| Power Supply | 85–265 V AC (50/60 Hz) or 100–300 V DC universal substation auxiliary supply |
| Power Consumption | ≤ 5 W typical |
| Operating Temperature | −40 °C to +85 °C; humidity 5% to 95% non-condensing |
| Dimensions & Weight | 93 mm × 84 mm × 24 mm · approx. 200 g |
| Mounting | Standard 35 mm DIN-rail or wall screw mount |
| Firmware & Security | Encrypted TLS communication, password-protected web configuration portal |
Our automation team provides complete Modbus register maps, MQTT payload schemas, and IEC 104 information object address (IOA) lists.
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