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 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.
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Mobile
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LTE Cat M1/Cat NB1, NB2/EGPRS (simultaneous operation of cellular and GNSS connectivity is not supported)
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CPU
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Mediatek, 580 Mhz, MIPS 24KEc
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RAM
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128 MB
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FLASH storage
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16 MB
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Powering options
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16-pin terminal, 9 - 30 VDC
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SIM
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2 x SIM slots (Mini SIM - 2FF), 1.8 V/3 V, double stacked SIM tray
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Antenna connectors
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1 x SMA connector for Mobile, 1 x SMA connector for GNSS
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Ethernet
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1 x RJ45 port, 10/100 Mbps
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GNSS
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GPS, GLONASS, BeiDou, Galileo, and QZSS (simultaneous operation of GNSS and cellular connectivity is not supported)
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Inputs/Outputs
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3 x Configurable digital I/O in 16-pin terminal block
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Serial
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1 x RS232, 1 x RS485
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Status LEDs
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3 x connection status LEDs, 3 x connection strength LEDs, 1 x power LED, 1 x Eth port status LED
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Operating temperature
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-40 °C to 75 °C
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Housing
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Aluminium housing
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Dimensions (W x H x D)
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83 x 25 x 74.2 mm
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Weight
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165 g
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Operating system
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RutOS (OpenWrt based Linux OS)
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Mobile features
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Auto APN, Band lock, SIM switch, Operator black/white list, Data/SMS limits, Bridge, Passthrough
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Network features
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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
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Monitoring and management
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WEB UI, FOTA, SSH, SMS, Call, TR-069, MQTT, SNMP, JSON-RPC, RMS
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VPN and tunneling
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OpenVPN, IPsec, GRE, PPTP, L2TP, Stunnel, DMVPN, SSTP, ZeroTier, WireGuard, Tinc
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Cloud solutions
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RMS, FOTA, Azure IoT Hub, Cloud of Things, Cumulocity, ThingWorx
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Hotspot
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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
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GNSS
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GNSS, Coordinates, NMEA, NTRIP, Server software, Geofencing
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