The Teltonika TRB141 Network Gateway is a compact, industrial-grade LTE Cat 1 IoT gateway designed for reliable remote management and monitoring. It supports mobile network connectivity via 4G (LTE Cat 1), 3G, and 2G with data speeds up to 10 Mbps (LTE Cat 1) and up to 42 Mbps on 3G networks, ensuring robust Machine-to-Machine (M2M) and Internet of Things (IoT) communications.

Technical specifications and features:

• Network connectivity:
  • Supports 4G LTE Cat 1, 3G, and 2G networks
  • Monitoring of mobile frequencies and signal variations, including RSSI, SINR, RSRP, and RSRQ
  • Supports IPv4/IPv6 protocols, TCP, UDP, ICMP, HTTP/HTTPS, MQTT, SNMP, SSL/TLS, and VPNs such as OpenVPN and IPsec for secure communications
• Inputs and outputs:
  • Multiple digital and analog I/O options for flexible remote device control:
    • 2 digital inputs
    • 1 isolated input
    • 1 analog input (supports 4-20 mA sensors)
    • 1 digital output
    • Supports 1-Wire sensors with 3.8V power output for 1-Wire devices
  • Relay outputs: Relay 1 (non-latching) supports up to 0.5 A @ 60 VDC/70 VAC, Relay 2 (latching) up to 0.8 A @ 70 VDC or 2 A @ 30 VDC/VAC
• Power supply:
  • Wide input range: 9 to 30 V DC with surge and reverse polarity protection
  • Power consumption less than 5 W
• Physical interfaces:
  • 16-pin I/O connector plus 4-pin industrial DC power connector with additional I/O pins
  • Micro USB port supporting virtual network interface for configuration
  • Cellular antenna connector
• Indicators and device controls:
  • Power LED, signal strength LED (up to 5 levels), connection status LED
  • Reset button for device restoration
• Security and software:
  • RutOS – a Linux-based operating system based on OpenWrt providing stability, flexibility, and security
  • Includes firewall, VPN support (OpenVPN, IPsec), encryption, and FOTA (firmware over-the-air updates)
  • Compatible with Teltonika Remote Management System (RMS) for efficient remote device management and control
• Additional features:
  • SMS capabilities including sending and receiving SMS via HTTP POST/GET, SMS to email, scheduled SMS, and auto-reply
  • Network diagnostics and management such as periodic reboot, traffic prioritization, port forwarding, and traffic rules
• Physical dimensions and enclosure:
  • Compact size designed for easy integration into industrial systems; includes a casing suitable for industrial environments

The Teltonika TRB141 is a versatile and secure industrial LTE IoT gateway with multiple configurable inputs/outputs, a wide power voltage range, and full network protocol support. Its rugged design, combined with advanced software and security features, makes it ideal for industrial applications requiring remote monitoring, control, and reliable cellular connectivity.