Industrial LoRa to Ethernet gateway (VT-LR601)

Engineered for zero-fee wireless telemetry, this industrial LoRa Ethernet gateway securely bridges remote RS232/485/422 serial data directly into standard TCP/IP networks. It is a powerful Modbus TCP to RTU converter and MQTT node that allows legacy field devices to be easily integrated into central SCADA systems without ongoing cellular costs.

Part No. VT-LR601
sku : IoT-L101
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⚠️ Deployment Requirement: LoRa Adapters Must Be Used in Pairs

The VT-LR601 acts as the master Ethernet gateway. To collect data from remote serial field devices, you must pair it with our VT-LR600 serial edge nodes.

• RS485/232 to LoRa to Ethernet Topology: We recommend VT-LR600 + VT-LR601.

Purchase VT-LR600 Serial Nodes Here

Bridge LoRa Wireless Directly to TCP/IP

The VT-LR601 industrial LoRa Ethernet gateway eliminates the gap between long-range radio telemetry and your corporate IT infrastructure. It receives wireless data from remote VT-LR600 nodes and seamlessly converts it into standard Ethernet TCP/IP packets for centralized monitoring.

VT-LR601 Industrial LoRa Ethernet Gateway Overview

Modbus TCP & Direct Cloud Integration

More than just a transparent bridge. The VT-LR601 features a built-in protocol engine that automatically translates incoming wireless Modbus RTU payloads into Modbus TCP. Furthermore, it supports autonomously collecting data and publishing it to IoT servers in JSON format via the MQTT protocol.

LoRa Gateway Modbus RTU to JSON and TCP/IP

Unmatched 8km Range & Mesh Topologies

Powered by Semtech's LoRa™ modulation, the gateway boasts a -140dBm receiving sensitivity, capturing signals from up to 8km away outdoors or penetrating 5 concrete floors indoors. Effortlessly manage point-to-point, star, tree, and mesh networks via VirCom software.

LoRa 8km Long Range Wireless Transmission Diagram

Hardware Interfaces & Status Indication

Built for industrial control panels, featuring an RJ45 Ethernet port, RS232, and RS485/422 terminal blocks. A rich array of LED indicators provides immediate visual feedback on TCP links, LoRa network status, and active data flows.

VT-LR601 LoRa Gateway Hardware Port Definitions
VT-LR601 Physical Mechanical Dimensions

Appearance & Hardware
Data InterfacesEthernet 10M/100M (RJ45), RS485/422 (Terminal Block), RS232 (DB9)
Power SupplyDC 9~24V (Inside positive, outside negative, standard outlet)
Working CurrentVT-LR601: 160mA@12V (VT-LR600: 30mA@12V)
DimensionsL x W x H = 9.4cm × 6.5cm × 2.5cm
Wireless Communication
Transmission DistanceOutdoor unobstructed: 6km~8km | Indoor: Penetrates approx. 5 floors
Frequency Range410MHz ~ 525MHz (115 Wireless Channels)
RF PerformanceReceiving Sensitivity: -140dBm | Transmit Power: 20dBm
Modulation SystemLoRa™ Patented modulation technology
Antenna ConnectionExternal SMA male connector (Default 490MHz working frequency)
Software & Environment
Ethernet ProtocolsETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS, Modbus TCP, MQTT, JSON
Serial Port SetupBaud Rate: 1200~115200bps; Check Bits: None, Even, Odd
EnvironmentOperating: -40℃ ~ 85℃ | Storage: -45℃ ~ 165℃ | Humidity: 5~95% RH
Edge Gateway & Software Capabilities
✓ Modbus TCP to RTU Routing: Stop struggling with custom coding. The VT-LR601 features a built-in protocol engine that transparently converts incoming wireless Modbus RTU payloads into Modbus TCP for immediate SCADA integration.
✓ JSON & MQTT Cloud Ready: Future-proof your facility. The gateway can autonomously poll legacy Modbus RTU/645 instruments, format the data into JSON, and push it directly to public clouds (AWS, Azure) via the MQTT protocol.
✓ Flexible IP Work Modes: Acts as a complete Serial Device Server over LoRa. Configurable as a TCP Server, TCP Client, or UDP node to match any network architecture requirement.
Core Wireless Telemetry Capabilities
✓ 8km Ultra-Long Range Penetration: Utilizing Semtech’s SX1287 chip and patented LoRa™ modulation, it achieves -140dBm sensitivity to push signals up to 8km outdoors, and penetrates up to 5 concrete floors indoors.
✓ Zero-Fee Private Network: Stop paying monthly telecom carrier fees. LoRa operates on free ISM bands (410-525MHz) with 115 selectable channels to bypass 4G/GPRS dead zones and avoid Wi-Fi/Zigbee interference.

Frequently Asked Questions

Do I need a third-party LoRaWAN Network Server (LNS) or cloud subscription to use this gateway?
No. The VT-LR series employs direct Point-to-Point (P2P) and Mesh LoRa modulation, avoiding the complex LoRaWAN protocol overhead. The VT-LR601 operates as a stand-alone localized gateway. It converts radio telemetry directly into Modbus TCP/IP on your local Ethernet network—no external cloud servers, LNS configurations, or monthly subscriptions required.
How does my central SCADA system address multiple remote serial nodes through this single Ethernet gateway?
The VT-LR601 operates as a transparent Modbus TCP to RTU bridge. Your SCADA system simply connects to the VT-LR601’s local IP address and uses standard Modbus Slave IDs to target specific remote sensors. The gateway automatically routes the TCP query over the LoRa network to the correct remote VT-LR600 node, and returns the serial response back as a TCP packet.
How do I configure the IP address and Modbus TCP settings on the VT-LR601?
You can easily configure the device via your local LAN. Using our free VirCom tool, you can automatically search for the gateway’s IP address and configure settings like TCP Server mode, Target Port, and enable the “Modbus_TCP Protocol” translation engine. Alternatively, you can log in directly via its built-in Web Browser interface.

📘 Engineering Guides & Deployment Best Practices

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