Industrial-Grade Cellular Modem Router with Serial Port, RS232/RS485 to 4G LTE & WiFi, Global Band Support
Price range: $1.99 through $89.00
Field-Tested Hardware Durability
✓ Wide Range Power Protection: Industrial panels experience voltage spikes. We support 9V-48V DC wide voltage input with robust reverse polarity protection.
✓ Industrial-Grade Reliability: The built-in hardware watchdog enables autonomous 24/7 operation. Compact enclosure designed for easy DIN-rail mounting in space-constrained panels.
✓ Full Status Indicators: Transparent panel with SYS/4G, LINK, and ACTIVE LEDs provide immediate real-time visibility of device network status.
Software & Edge Capabilities
✓ Extensive Network Protocol Support: Functions as a TCP server (up to 30 connections) and TCP client (up to 7 targets), with full UDP/multicast support for SCADA networks.
✓ Zero-Delay Modbus Polling: Built-in “Storage Modbus Gateway” caches register data locally, drastically reducing cloud polling latency to under 3ms and eliminating RS485 bus bottlenecks.
✓ Advanced Device Management: Supports MAC address reporting upon connection. Enables remote device discovery, configuration, and firmware FOTA upgrades via the cloud.
✓ Developer-Friendly Tools: Includes the powerful VirCom configuration utility and a DLL development library for custom secondary IoT integration.
| Hardware & Interfaces | |
| Ethernet Port | 1× 10/100M RJ45 Port |
| Serial Interface | RS232 (DB9 Male) & RS485 (Terminal Block) |
| Power Input | DC 9~48V (Terminal Block) |
| Cellular & Connectivity | |
| SIM Card Slot | Mini SIM Card (2FF) – Size: 25mm × 15mm |
| Antenna Interface | 50Ω SMA Male Connector (1x Cellular, 1x Wi-Fi) |
| Software & Security | |
| VPN Protocols | Supported via Web UI VPN Menu / Private network APN |
| Modbus Mode | Transparent, Storage Gateway, Modbus TCP to RTU |
| Mechanical & Compliance | |
| Housing | SECC Metal, Wall / Panel Mount flanges |
| Operating Temp. | -40°C ~ +85°C |
Weight: 0.800 kg
1. VT-DTU500 4G DTU main unit x1
2. 4G Suction antenna unit x1
3. Wifi Suction antenna unit x1
4. 12V 1.0A power adapter x1
