Teltonika TRB255 Industrial M2M Gateway

Mobile Connectivity:

• Mobile Module:

  • 4G LTE Cat M1: Up to 375 kbps download/upload.
  • 4G LTE Cat NB1: Up to 32 kbps download, 70 kbps upload.
  • 2G GSM: Up to 296 kbps download, 236.8 kbps upload.

• SIM Management:

  • Dual SIM Slots: Auto-switching based on signal strength, data limits, roaming, and other conditions.
  • Status Indicators: Includes IMSI, ICCID, operator details, signal strength (RSSI), SINR, and more.

SMS and USSD:

• SMS Features:
  • Configuration: SMS status and settings.
  • Sending/Receiving: HTTP POST/GET, EMAIL to SMS, SMS to EMAIL/HTTP/SMS, scheduled SMS, auto-reply, SMPP.
• USSD: Supports sending and reading USSD messages.

Network Features:

• Ethernet:
  • Port: 1 x ETH port, 10/100 Mbps, auto MDI/MDIX crossover support.
• Routing:
  • Types: Static, Dynamic (BGP, OSPF v2, RIP v1/v2, EIGRP, NHRP).
• Network Protocols:
  • Supported: TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, SFTP, FTP, SMTP, SSL/TLS, ARP, VRRP, PPP, PPPoE, UPNP, SSH, DHCP, Telnet, SMPP, SNMP, MQTT.
• VoIP Passthrough: H.323 and SIP-ALG protocol NAT helpers.
• Connection Monitoring: Includes Ping Reboot, Wget Reboot, Periodic Reboot, LCP, and ICMP for link inspection.
• Firewall:
  • Features: Port forward, traffic rules, custom rules, view firewall statistics.
• QoS / Smart Queue Management: Traffic prioritization, WMM, 802.11e.
• DHCP: Static/dynamic IP allocation, relay, server configuration.

Security:

• Authentication: Pre-shared key, digital certificates, TACACS+, RADIUS authentication, IP & login attempt blocks.
• Firewall: Customizable via CLI and WebUI; supports DMZ, NAT, NAT-T.
• Attack Prevention: DDOS (SYN flood, SSH, HTTP/HTTPS), port scan prevention.
• VLAN: Port and tag-based VLAN separation.

VPN Support:

• Protocols: OpenVPN, IPsec, GRE, PPTP, L2TP, Stunnel, DMVPN, SSTP, ZeroTier, WireGuard, Tinc.
• Encryption: Multiple methods for OpenVPN and IPsec, including AES, DES, RC2, and more.

Data Handling:

• Data to Server:
  • Protocols: HTTP(S), MQTT, Azure MQTT, Kinesis.
  • Features: Extract parameters from multiple sources and protocols, custom LUA scripting.
• MODBUS:
  • Modes: Server, Client.
  • Connections: RTU (RS232, RS485), TCP.
  • Custom Registers: For extending MODBUS TCP Client functionality.
• BACNET: Supports RS485, TCP connections.
• OPC UA: Client, Server modes, TCP connections.

Monitoring & Management:

• WEB UI: HTTP/HTTPS access, status, configuration, troubleshooting, event logs, firmware updates.
• FOTA: Remote firmware updates with notifications.
• SSH: SSH (v1, v2) access.
• TR-069: Compatibility with OpenACS, EasyCwmp, ACSLite, and others.
• MQTT: Broker and p