| Revew | Teltonika TRB246 LTE Cat 4 Industrial Cellular IoT GatewayThe Teltonika TRB246 is an industrial cellular gateway with an LTE Cat 4 modem delivering up to 150Mbps download and 50Mbps upload, designed to connect industrial equipment, controllers, meters and IoT systems. It has a 10/100Mbps Ethernet port, RS232 and RS485 interfaces, 3 digital inputs, an analog input, 3 digital outputs and a GNSS receiver for positioning and tracking. Two SIM slots with automatic switching keep the connection running. The gateway runs RutOS with VPN, a firewall and industrial protocols such as Modbus, MQTT, OPC UA, BACnet, DNP3 and DLMS/COSEM, and is managed remotely via Teltonika RMS. The aluminium housing is IP30 rated and operates from -40°C to 75°C. 
Key features- LTE Cat 4 with 3G and 2G - Up to 150Mbps download and 50Mbps upload on 4G, with 3G and 2G support. The EMEA version supports LTE bands B1, B3, B7, B8, B20, B28A, B38, B40 and B41.
- Dual SIM - Two Mini SIM slots with automatic switching on weak signal, data or SMS limit, roaming, no network or data connection failure.
- RS232, RS485 and Ethernet - Serial interfaces on a 16-pin terminal block with Console, Serial over IP, Modem and Modbus Gateway modes, plus a 10/100Mbps RJ45 port.
- Inputs and outputs for control - 3 digital inputs, a 0-30V analog input and 3 open collector outputs up to 30V and 300mA, with I/O Juggler for actions and SMS, email and RMS alerts.
- Built-in GNSS - GPS, GLONASS, BeiDou, Galileo and QZSS with 2.5 m CEP accuracy, geofencing, NMEA and NTRIP support.
- Security, VPN and management - OpenVPN, WireGuard, IPsec, GRE, PPTP, L2TP, DMVPN, SSTP, ZeroTier and Tinc, a firewall with DDoS prevention, managed via WebUI, SSH, SNMP, TR-069, JSON-RPC and Teltonika RMS.
Specifications| Manufacturer | Teltonika | | Model | TRB246 | | Manufacturer part number | TRB246000600 (EMEA, standard package) | | Mobile | 4G LTE Cat 4 up to 150/50Mbps, 3G up to 42/5.76Mbps, 2G up to 296/236.8kbps | | LTE bands (EMEA) | FDD: B1, B3, B7, B8, B20, B28A; TDD: B38, B40, B41 | | SIM | 2 x Mini SIM (2FF), 1.8V/3V, double stacked tray | | Ethernet | 1 x RJ45, 10/100Mbps | | Serial | RS232 (TX, RX, RTS, CTS), RS485 (D+, D-, R+, R-, 2 or 4 wire) | | I/O | 3 digital inputs, 1 analog input 0-30V, 3 open collector outputs up to 30V/300mA | | GNSS | GPS, GLONASS, BeiDou, Galileo, QZSS, -157dBm sensitivity, 2.5m CEP accuracy | | Antennas | 1 x SMA for LTE, 1 x SMA for GNSS | | CPU and memory | MediaTek 580MHz MIPS 24KEc, 128MB RAM, 16MB Flash | | Operating system | RutOS (OpenWrt based) | | Protocols | Modbus TCP/RTU, MQTT, OPC UA, BACnet, DNP3, DLMS/COSEM | | Power | 9-30V DC via 16-pin terminal block, reverse polarity and ±1kV surge protection | | Power consumption | Idle under 1.5W, max under 3.5W | | Housing | Aluminium, IP30 | | Operating environment | -40°C to 75°C, 10%-90% humidity non-condensing | | Dimensions and weight | 83 x 25 x 74.2 mm, 165 g | | Mounting | DIN rail, wall or flat surface (kit required) |
In the box- TRB246 gateway
- 16-pin terminal block
- Hex key
- Quick start guide
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