The Gateway Δικτύου Teltonika TRB141 is a compact, industrial-grade LTE Cat 1 IoT gateway designed for reliable remote management and monitoring. It supports mobile network connectivity across 4G (LTE Cat 1), 3G, and 2G with data rates 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
• Mobile bands and signal metrics monitored including RSSI, SINR, RSRP, and RSRQ
• Supports IPv4/IPv6, TCP, UDP, ICMP, HTTP/HTTPS, MQTT, SNMP, SSL/TLS, and VPN protocols like 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 (4-20 mA sensor support)
• 1 digital output
• 1-Wire sensor support 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 socket with additional I/O pins
• Micro USB port supporting virtual network interface for configuration
• Mobile antenna connector
• Device Indicators and Controls:
• Power LED, mobile signal strength LEDs (up to 5 levels), connection status LEDs
• Reset button for device recovery
• Security and Software:
• RutOS — an OpenWrt-based Linux operating system providing stability, flexibility, and security
• Features firewall, VPN support (OpenVPN, IPsec), encryption, and FOTA (firmware over-the-air) updates
• Teltonika Remote Management System (RMS) compatible for effective 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 tools like periodic reboot, traffic priority queuing, port forwarding, and traffic rules
• Physical Dimensions and Enclosure:
• Compact size designed for easy integration into industrial systems; includes housing suitable for industrial environments

Summary: The Teltonika TRB141 is a versatile and secure industrial LTE IoT gateway with multiple configurable inputs/outputs, wide voltage power supply, and comprehensive 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.