SKU: 89604520201

Teltonika TRB255 Industrial 4G LTE Gateway with Dual SIM

Sale price$1614.60 Regular price$1794.00
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Description

Teltonika TRB255 Industrial 4G LTE Gateway with Dual SIMRobust Industrial IoT & M2M Connectivity Solution The Teltonika TRB255 is a versatile and robust industrial cellular gateway engineered for mission critical M2M and IoT applications. It provides a vital communication backbone for both modern and legacy industrial equipment, seamlessly integrating them into one unified solution. Equipped with 4G LTE (Cat M1), NB IoT, and 2G EGPRS backward compatibility, the TRB255 ensures reliable and future proof

Robust Industrial IoT & M2M Connectivity Solution

The Teltonika TRB255 is a versatile and robust industrial cellular gateway engineered for mission-critical M2M and IoT applications. It provides a vital communication backbone for both modern and legacy industrial equipment, seamlessly integrating them into one unified solution. Equipped with 4G/LTE (Cat M1), NB-IoT, and 2G EGPRS backward compatibility, the TRB255 ensures reliable and future-proof connectivity. Its dual SIM functionality with auto-failover provides indispensable redundancy, guaranteeing continuous operation by automatically switching between operators in cases of weak signal, data limit, or network failure.

Designed for Industrial Environments

Built to withstand harsh conditions, the TRB255 features a durable aluminum housing and a wide operating temperature range of -40 °C to 75 °C. Its compact design allows for easy integration into space-constrained environments. This gateway is packed with a rich set of interfaces, including an Ethernet port, configurable digital/analog I/Os, and versatile RS232 and RS485 serial ports, making it a universal choice for diverse applications. The integrated GNSS (GPS, GLONASS, etc.) provides accurate location tracking and geofencing capabilities.

Advanced Networking and Security

The TRB255 runs on RutOS, a powerful and secure operating system that offers advanced networking features. It supports a wide range of protocols such as Modbus, MQTT, and SNMP for seamless integration with industrial systems. Security is paramount, with features including a pre-configured firewall, multiple VPN services (OpenVPN, IPsec), and attack prevention mechanisms to protect your critical data and infrastructure. The gateway is also fully compatible with the Teltonika Remote Management System (RMS), allowing for convenient remote monitoring, configuration, and management of your entire fleet of devices.

Key Features:

  • Connectivity: 4G/LTE (Cat M1), NB-IoT, and 2G fallback for wide-ranging coverage.
  • Dual SIM: Ensures connection reliability with auto-failover and backup WAN.
  • Industrial Interfaces: Equipped with RS232, RS485, Ethernet, and multiple configurable I/Os.
  • GNSS: Global Navigation Satellite System for precise location services.
  • Wide Power Range: Supports a broad power supply voltage range from 9-30 VDC.
  • Robust and Compact: Durable aluminum housing with a small footprint and DIN rail mounting option.
  • Advanced Security: Features OpenVPN, firewall, and attack prevention.
  • Remote Management: Compatible with Teltonika RMS for easy device management.

Mobile
Mobile module 4G/LTE (Cat M1), NB-IoT, EGPRS (2G)
SIM switch 2 SIM cards, auto-switch cases: weak signal, data limit, SMS limit, roaming, no network, network denied, data connection fail, SIM idle protection
Status Signal strength (RSSI), SINR, RSRP, RSRQ, Bytes sent/received, connected band, IMSI, ICCID
Ethernet
LAN 1 x LAN port, 10/100 Mbps
Hardware
CPU Qualcomm, MIPS 24Kc, 650 MHz
Memory 64 MBytes RAM, 16 MBytes Flash
Powering option 16-pin terminal block, 9-30 VDC
SIM 2 x SIM slots (Mini SIM - 2FF), 1.8 V/3 V
Antenna connectors 1 x SMA for LTE, 1 x SMA for GNSS
GNSS GPS, GLONASS, BeiDou, Galileo, QZSS
Inputs/Outputs On 16-pin socket: 3 x Configurable Digital I/O, 1 x Analog Input
Serial 1 x RS232, 1 x RS485
Status LEDs 3 x connection status, 3 x connection strength, 1 x power, 1 x Eth port status
Physical Specifications
Casing material Aluminium housing
Dimensions (W x H x D) 83 x 25 x 74 mm
Weight 165 g
Operating temperature -40 °C to 75 °C
Ingress Protection Rating IP30
Software / Networking
Operating System RutOS (OpenWrt based Linux OS)
Network protocols TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, FTP, SMTP, SSL/TLS, ARP, PPP, DHCP, Telnet
Security Authentication, Firewall, Attack Prevention (DDOS, port scan), VLAN, Mobile Quota Control
VPN OpenVPN, IPsec, GRE, PPTP, L2TP, ZeroTier, WireGuard
Monitoring & Management WEB UI, CLI, SSH, SMS, TR-069, SNMP, JSON-RPC, MQTT, RMS
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 89604520201

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4.8 ★★★★★
Based on 24 reviews
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Verified Purchase
Boma
New York, US
★★★★★ 5
A Game-Changer for Precision Cooking
Color: Black
We’ve had the Typhur Sync Smart Meat Thermometer for a few months now, and it’s been nothing short of amazing. The wireless probe is a total game-changer, it frees you up from cords and gives you the flexibility to monitor your cook remotely. It charges via USB-C, which is super convenient. I can use the same charger that powers my smartphone to charge a meat thermometer, imagine saying that sentence 20 years ago. The companion app is one of the highlights. It displays incredibly useful temperature data, including readings from multiple points within the probe to show the gradient of heat inside the meat. You even get a real-time graph tracking the temperature over time, which is especially helpful for monitoring the entire cooking process. And best of all: the app is currently free with no subscription required (fingers crossed it stays that way). The thermometer seems to be very accurate. While I haven’t tested it against lab equipment, the NIST certification and consistently reliable results give me confidence. I’ve made sure the temps fall within my personal margin of error—and so far, so good. I can’t speak for others who may have had issues with the probe, but from what I’ve seen, Typhur’s customer service has a solid reputation. I appreciate that they seem to genuinely stand behind their products. While I primarily use the thermometer for reverse searing steaks, it’s versatile enough for anything from steak to turkey, chicken, or pork loin. If you’re serious about cooking and want precision without hassle, this is a fantastic investment. Highly recommended.
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Reviewed in the United States on June 4, 2025
J
Verified Purchase
Jim in Texas
Port Orchard, US
★★★★★ 5
This thing no longer working. Too late for a refund so the loss is on us. Buyer beware.
Color: Black
We wanted a temperature probe that was simple and works well. This one was it. We grill as often as possible and were just tired of having a good piece of meat come out either over or under cooked. I like a steak medium and my wife likes it medium well to well done. We use a Weber Genesis E410 that works great and has good heat control. Our first use of this Typhur thermometer gave us a great result. Not sure how it will work on a larger item like a brisket or a turkey but, at this point, we see no reason to expect any lesser result. It had accuracy, good range, and seems quite durable. Grilling is, among other things, is its own social event., so we did not use an "Ap" to watch the event on a smart phone. (We try to limit the use of smart phones when we are outside to encourage human interaction.) Typhur offers an Ap but the base unit was all we wanted to try and it works great.
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Reviewed in the United States on October 8, 2025
D
Verified Purchase
David
Los Angeles, US
★★★★★ 4
Accurate and affordable
Color: Black
Four months after I purchased the thermometer, I have to say it is the best probe thermometer I have used. The temperature reading are accurate and the unit functions well. Very easy to use with or without the app. The display is easy to read but the app allows you to see all six temperature zones! Catch it on sale to get the best price. The probe battery only lasted six hours so I notified Typhur and they are replacing it without question! I purchased a second unit for a Christmas gift.
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Reviewed in the United States on February 5, 2026
A
Verified Purchase
Albert
Pawtucket, US
★★★★★ 5
Great quality of life improvement!
Color: Black
Got this on sale for $40. This thing is crazy good for the price, especially if you get it on sale. Battery life isn’t a huge concern anyway, but rechargeable USB-C is great. Because it’s wireless, the stick is on the thicker side. This makes it easy to clean, but also inadvisable for your thinner meats (obviously). It looks right at home stuck on my fridge by the oven and air fryer, and temps it gave me through the phone were pretty close. I connected this to my 2.4Ghz network, which I can easily monitor from my phone connected on my 5Ghz network. I think it could do better with its time estimates, but I’m physically close enough to my food when it’s nearly done cooking anyway. I tested with frozen steak straight into the air fryer. It was quite close to what I was looking for, compared to how I’d do it before without a thermometer. As someone with little to no time to cook every day, it really eases the mental burden for sure of knowing that the food’s not under- or over-done. For $40, totally worth it.
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Reviewed in the United States on April 25, 2026
M
Verified Purchase
Mike
San Leandro, US
★★★★★ 5
Great engineering for amazing price
Color: Black
This is the deal of deals. The signal goes through my oven door with zero problems. The sensor inserts neatly into the controller slot. Nice. But that's not all. This thing is Gold Lite, and has the transmission frequency that is 10X better than Bluetooth. The App is probably same as the 4X higher priced Gold Edition, which is worth the price of admission. whose only advantage is that the sensor is good for 752F instead of 932F (yes the descriptions says good for 932F, but Lin the photo it says 752F) . The 932F is not anywhere good enough for my radiant ceramic grill, which goes up above 1300F anyway. So I saved a bunch of money and have something that does everything I need and no more. For the price, this is 5 star
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Reviewed in the United States on April 1, 2026

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