---
lang: "en"
title: "TRB143 - M-BUS CELLULAR GATEWAY"
sku: "TRB143"
canonical_url: "https://shop.marcomweb.it/en/meterbus/trb143-m-bus-cellular-gateway"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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TRB143 - M-BUS CELLULAR GATEWAY - Supports up to 8 slaves, with repeater up to 250 slave devices

The TRB143 industrial gateway is designed with an integrated M-Bus interface, specifically for telemetry and utility monitoring applications. It features cellular and wired connectivity, a Gigabit Ethernet port, and a pair of digital inputs/outputs, making it suitable for various environmental monitoring scenarios.

## Technical Specifications

#### Hardware

- Mobile: 4G (LTE) – Cat 4 up to 150 Mbps, 3G – Up to 42 Mbps, 2G – Up to 236.8 kbps
- CPU: ARM Cortex-A7 1.3 GHz
- RAM: 256 MB, DDR3
- Flash storage: 512 MB, SPI Flash
- Power options: 4-pin power socket, 12 – 30 VDC
- SIM: 1 x SIM slot (Mini SIM – 2FF), 1.8 V/3 V
- Status LEDs: 3 x connection type status LEDs, 3 x connection strength LEDs, 2 x ETH status LEDs, 1 x power LED
- Inputs/Outputs: 2 x configurable I/O pins on 4-pin power socket
- M-Bus: 1 x M-Bus interface
- M-Bus Interface: The M-Bus interface can support up to 250 client devices and can power up to 6 of them
- Ethernet: 1 x RJ45 port, 10/100/1000 Mbps
- Ingress protection rating: IP30
- Operating temperature: From -40 °C to 75 °C
- Enclosure: Aluminum housing
- Dimensions: 74.5 x 25 x 64.4 mm
- Weight: 145 g
- Installation: DIN rail, wall mount (additional kits required), flat surface placement

#### Software

- Operating system: RutOS (OpenWrt-based Linux operating system)
- Network protocols: TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, SMTP, SSL v3, TLS, PPP, PPPoE, SSH, DHCP, SNMP, MQTT, Wake on LAN (WOL)
- Network functionalities: Routing, Connection monitoring, Firewall, DHCP, QoS / Smart Queue Management (SQM), DDNS, SSHFS
- VPN and tunneling: OpenVPN, GRE, IPsec, PPTP, L2TP, SSTP, Stunnel, DMVPN, WireGuard, ZeroTier
- Monitoring and Management: WEB UI, FOTA, SSH, SMS, Call, TR-069, MQTT, SNMP, JSON-RPC, Modbus, RMS
- Connection monitoring: Reboot via Ping, Reboot via Wget, Periodic reboot, LCP and ICMP for link inspection
- Cloud Solutions: RMS, Clouds of things, ThingWorx, Cumulocity, Azure IoT Hub

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Source: https://shop.marcomweb.it/en/meterbus/trb143-m-bus-cellular-gateway

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