---
lang: "en"
title: "TRB255 Industrial M2M Gateway"
sku: "TRB255"
canonical_url: "https://shop.marcomweb.it/en/cellular-routers/trb255-industrial-m2m-gateway"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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TRB255 Industrial M2M Gateway

The TRB255 can be used to integrate modern and legacy industrial equipment into a single solution via RS232, RS485, and Ethernet interfaces. This industrial LTE Cat M1 & NB-IoT gateway is backward compatible with EGPRS (2G) networks. It can still be used with the 2G network; however, in case of its shutdown, there is the possibility to switch to LPWAN connectivity options. The TRB255 has a wide range of industrial and networking functions, such as Modbus, SMS control, Firewall, OpenVPN, and more. This product is compatible with Teltonika Networks' Remote Management System (RMS).

## Technical Features

#### Hardware

- Mobile: 4G/LTE (Cat M1), NB-IoT, 2G
- CPU: Qualcomm QCA9531, MIPS 24kc, 650 MHz
- Storage: 16 MB Flash
- Memory: 64 MB RAM
- Power options: 16-pin terminal block, 9-30 VDC
- SIM: 2 internal SIM slots (2FF format)
- Antenna connectors: 1 x SMA for mobile, 1 x SMA for GPS
- Ethernet: 1 RJ45 port, 10/100 Mbps
- GNSS: GPS, GLONASS, BeiDou, Galileo, QZSS
- Input/Output: On 16-pin socket: 3 configurable digital inputs/open collector digital outputs, 1 analog input
- Serial: 1 x RS232, 1 x RS485
- Status LEDs: 3 for connection type, 3 for signal strength, 2 for Ethernet, 1 for power
- Operating temperature: -40 °C to 75 °C
- Casing: Aluminum housing with DIN rail mounting option
- Dimensions (W x H x D): 83 x 25 x 74.2 mm
- Weight: 165 g

#### Software

- Operating system: RutOS (Linux-based OpenWrt operating system)
- Mobile features: Multiple PDNs, auto APN, band lock, SIM switch, operator black/white list, data/SMS limits
- Network protocols: TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, SFTP, FTP, SMTP, SSL/TLS, ARP, VRRP, PPP, PPPoE, UPNP, SSH, DHCP, Telnet, SMPP, SNMP, MQTT, Wake On Lan (WOL)
- Monitoring and Management: Web UI, CLI, SSH, Call, SMS, TR-069, SNMP, JSON-RPC, MQTT, MODBUS, RMS
- Connection monitoring: Ping Reboot, Wget Reboot, Periodic Reboot, LCP and ICMP for link inspection
- Cloud Solutions: RMS, FOTA, Azure IoT Hub, Cloud of Things, Cumulocity, ThingWorx
- NTP: NTP Server, NTP Client, synchronization with: external NTP server, GNSS, mobile operator
- GNSS: NMEA forwarding, AVL (Automatic Vehicle Location), Geofencing
- Modbus: TCP Slave, TCP Master, RTU Master, RTU Gateway, Modbus over MQTT
- Serial: Console, Over IP, Modem, NTRIP, Modbus

[Video](https://www.youtube.com/watch?v=M6I4frmAIWQ)

 

 

 

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Source: https://shop.marcomweb.it/en/cellular-routers/trb255-industrial-m2m-gateway

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.