The TRB256 is an industrial 4G LTE NB-IoT gateway designed to be applied to a broad range of IoT solutions. The device is equipped with multiple WAN interfaces, such as I/Os, RS232, RS485, and an Ethernet port, additionally boasting dual SIM functionality for continuous connectivity. This industrial-grade gateway also supports the 450 MHz frequency band, offering superior LTE signal penetration compared to standard frequencies, making it an optimal choice for a diverse range of M2M applications.
Technical Specifications
Hardware
- Mobile: LTE Cat M1/Cat NB1, NB2/EGPRS (simultaneous operation of cellular and GNSS connectivity is not supported)
- CPU: Mediatek, 580 Mhz, MIPS 24KEc
- Storage: 128 MB
- Memory: 16 MB
- Powering options: 16-pin terminal, 9-30 VDC
- SIM: 2 x SIM slots (Mini SIM - 2FF), 1.8 V/3 V, double stacked SIM tray
- Antenna connectors: 1 x SMA connector for Mobile, 1 x SMA connector for GNSS
- Ethernet: 1 x RJ45 port, 10/100 Mbps
- GNSS: GPS, GLONASS, BeiDou, Galileo, and QZSS (simultaneous operation of GNSS and cellular connectivity is not supported)
- Inputs/Outputs: 3 x Configurable digital I/O in 16-pin terminal block
- Serial: 1 x RS232, 1 x RS485
- Status LEDs: 3 x connection status LEDs, 3 x connection strength LEDs, 1 x power LED, 1 x Eth port status LED
- Operating temperature: -40 °C to 75 °C
- Housing: Aluminium housing
- Dimensions (W x H x D): 83 x 25 x 74.2 mm
- Weight: 165 g
Software
- Operating system: RutOS (OpenWrt based Linux OS)
- Mobile features: Auto APN, Band lock, SIM switch, Operator black/white list, Data/SMS limits, Bridge, Passthrough
- Network features: Routing, Network protocols, VoIP passthrough support, Connection monitoring, Firewall, Firewall status page, Ports management, Network topology, Hotspot, DHCP, QoS / Smart Queue Management (SQM), DDNS, Network backup, SSHFS
- Monitoring and Management: WEB UI, FOTA, SSH, SMS, Call, TR-069, MQTT, SNMP, JSON-RPC, RMS
- VPN and tunneling: OpenVPN, IPsec, GRE, PPTP, L2TP, Stunnel, DMVPN, SSTP, ZeroTier, WireGuard, Tinc
- Cloud solutions: RMS, FOTA, Azure IoT Hub, Cloud of Things, Cumulocity, ThingWorx
- Hotspot: Captive portal (Hotspot), internal/external Radius server, SMS authorization, internal/external landing page, walled garden, user scripts, URL parameters, user groups, individual user or group limitations, user management, 9 default customizable themes
- GNSS: GNSS, Coordinates, NMEA, NTRIP, Server software, Geofencing