

Teltonika
This industrial-grade gateway is purpose-built for M2M and IoT deployments requiring reliable mobile connectivity in harsh environments. Designed with LTE Cat M1, NB-IoT, and 2G support, it offers resilient networking with automatic dual SIM failover, a wide input voltage range, and flexible I/O. Its compact form factor and robust industrial interfaces make it ideal for utility metering, smart city infrastructure, and industrial automation.
Key Features
Designed to deliver dependable performance in demanding field environments, this gateway is a dependable connectivity backbone for modern industrial networks.
Mobile | |
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Connectivity | 4G LTE Cat M1, NB-IoT, 2G |
SIM | Dual SIM with auto failover and multiple switching scenarios |
3GPP Release | Release 13 |
Ethernet | |
Ports | 1 x 10/100 Mbps Ethernet port |
Standards | IEEE 802.3, 802.3u, 802.3az |
Interfaces | |
Serial Ports | RS232, RS485 |
I/O | Digital Inputs and Outputs for remote control |
Software Features | |
VPN Support | OpenVPN, IPsec, GRE, PPTP, L2TP, SSTP, WireGuard, ZeroTier, Tinc |
Security | Firewall, DDOS prevention, IP blocking, Access control |
Protocols | MQTT, SNMP, HTTP(S), SSH, Telnet, FTP(S), TCP/UDP, IPv4/IPv6, NTP |
Routing | Static, BGP, OSPFv2, RIP v1/v2, EIGRP, NHRP |
Management | RMS, CLI, WebUI, TR-069, SMS, SSH |
Power | |
Input Voltage | 9–30 VDC |
Mechanical & Environmental | |
Operating Temperature | -40 °C to 75 °C |
IP Rating | IP30 |
Mounting Options | DIN rail, surface mount |
Compliance | |
Certifications | RoHS, CE, E-mark, FCC, IC |
General Information | |
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Manufacturer: | Teltonika |
Manufacturer Part Number: | TRB255 |
Barcode: | 4779027312767 |
Packaging Details | |
Weight: | 2.00 KGS |