The Teltonika TRB246 is a compact, industrial-grade IoT gateway engineered for seamless M2M and industrial networking applications. Equipped with 4G LTE Cat 4, it delivers fast and reliable internet access with download speeds of up to 150 Mbps and upload speeds of 50 Mbps, ensuring smooth data transmission for remote monitoring and control. The device also supports 3G (UMTS/HSPA+) and 2G (GSM/GPRS/EDGE) networks for enhanced compatibility in areas with limited 4G coverage. The gateway features one Gigabit Ethernet port, RS232 and RS485 serial interfaces, and two configurable digital inputs/outputs, enabling seamless integration with industrial equipment. The external SMA connectors allow users to connect high-gain antennas for improved signal reception. The TRB246 is an ideal solution for industrial automation, smart metering, energy sector applications, transportation, and remote monitoring systems that require reliable and uninterrupted data connectivity.

The TRB246 is equipped with two SIM card slots supporting automatic failover, backup, and roaming scenarios. This feature enables the device to switch seamlessly between SIM cards based on predefined conditions, such as weak signal strength, data limits, or network outages, providing an always-on connection. Multi-operator compatibility allows businesses to use different network providers for improved redundancy. The device supports Carrier Aggregation, further improving performance by combining multiple frequency bands to boost speed and stability. With SMS control, remote SIM switching, and a user-friendly web interface, users can easily manage network settings from anywhere. These capabilities make the TRB246 a cost-efficient, highly reliable solution for mission-critical applications requiring continuous, secure, and flexible mobile connectivity.

The Teltonika TRB246 is designed for industrial environments that require robust data transmission and secure communication between devices. It supports essential industrial communication protocols such as Modbus TCP, Modbus RTU, DNP3, and DLMS, enabling seamless integration with SCADA systems, industrial automation controllers, and telemetry applications. Running on Teltonika’s RutOS, a Linux-based enterprise-grade operating system, the device offers comprehensive networking and security features, including firewall rules, access control lists (ACLs), port forwarding, and MAC filtering. Security is further enhanced with multiple VPN protocols, ensuring encrypted and secure data transmission over public and private networks. The Teltonika RMS remote management system allows centralized monitoring, configuration, and firmware updates, reducing the need for on-site technical support. Additional features like SNMP, MQTT, and SMS-based remote control provide advanced device monitoring and automation capabilities, making it an ideal choice for smart city solutions, industrial IoT, and intelligent transportation systems.

Built to withstand demanding industrial conditions, the Teltonika TRB246 features a rugged aluminum housing that provides excellent durability and heat dissipation. It is designed to operate reliably in extreme temperature ranges from -40°C to +75°C, making it suitable for outdoor deployments, factory floors, and other harsh environments. The wide input voltage range (9V – 30V DC) ensures compatibility with different power sources, while reverse polarity protection prevents electrical damage. The compact form factor and lightweight build enable flexible mounting options, including DIN rail, wall-mount, or flat-surface installation. With ESD and surge protection on Ethernet and serial ports, the TRB246 provides robust performance in high-interference environments. These features make it an ideal choice for industrial M2M communication, ensuring long-term reliability and seamless connectivity across various applications.