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Teltonika TRM250 Industrial Cellular Modem
For teams working across industrial and remote environments, the Teltonika TRM250 Industrial Cellular Modem offers a robust USB LTE Cat-M1/NB-IoT communication solution. Encased within a reinforced aluminium housing, it provides IP30 ingress protection and operates reliably in temperature ranges from -40°C to 75°C, suitable for demanding field conditions. Supporting LTE Cat M1, NB-IoT, and EGPRS cellular standards, it delivers efficient data transmission for remote monitoring and industrial IoT applications. The modem’s vibration resistance and sealed build enable continuous-duty operation with low maintenance needs. Installation flexibility is supported via DIN rail, wall, or flat surface mounting options. Compliance with CE, UKCA, and EAC certifications, alongside electromagnetic compatibility standards EN 61000-4-2 and EN IEC 61000-4-3, ensures dependable performance.
Powered by 5V via microUSB, it includes status LEDs and one SIM slot accommodating Mini SIMs. Its compact size and aluminium casing reinforce its deployment readiness in industrial or challenging settings.
TRM250 Features
- 4G/LTE (Cat M1), NB-IoT, 2G
- Small size, easy installation
- Interface for internet access
- For deployment flexibility
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Product Type
Manufacturer
Certifications & Standards
Ruggedness
Mounting Format
Country Of Manufacture
Lithuania
Mobile module
4G LTE Cat M1 up to 375 DL/375 UL kbps; Cat NB1 up to 32 DL/70 UL kbps; 2G up to 296 DL/ 236.8 UL kbs
3GPP Release
Release 12
Connector
microUSB
Input voltage range
5V - powered via microUSB
Power consumption
3.6 W Max
Status LEDs
1 x Power LED, 1 x Network LED
SIM
1 x SIM slot (Mini SIM – 2FF), 1.8 V/3 V
Power
1x microUSB
Antennas
1 x SMA for LTE
Dimensions (W x H x D)
74.5 x 25 x 64.5 mm
Casing material
Aluminium housing
Weight
130 g
Mounting options
DIN rail, wall mount, flat surface (all require additional kit)
Operating temperature
-40 °C to 75 °C
Operating humidity
10% to 90% non-condensing
Ingress Protection Rating
IP30
Management Software
Windows Connection Manager (NDIS driver)
USB Driver
Windows 7/8/8.1/10, Windows CE 5.0/6.0, Linux 2.6/3.x/4.1~4.14, Android 4.x/5.x/6.x/7.x/8.x
RIL Driver
Android 4.x/5.x/6.x/7.x/8.x
NDIS Driver
Windows 7/8/8.1/10
Gobinet Driver
Linux 2.6/3.x/4.1~4.14
Linux Driver
3.x (3.4 and later)/4.1~4.14
Regulatory
CE, UKCA, EAC, UCRF, Kenya
Standards
Draft EN 303 446-1 V1.1.0
ESD
EN 61000-4-2:2009
Radiated Immunity
EN IEC 61000-4-3:2006 + A1:2008 + A2:2010
Standards
ETSI EN 301 511 V12.5.1nETSI EN 301 908-1 V13.1.1nETSI EN 301 908-13 V13.1.1
Standards
CE: EN 62368-1:2014 + A11:2017, EN 62311:2008
The Teltonika TRM250 Industrial Cellular Modem is designed and engineered for use in demanding environments where reliability, durability are essential. The TRM250 supports a wide range of industries and operational applications.
Common deployment industries include: Construction, Energy and Utilities, Industrial Manufacturing, Logistics And Supply Chain, Marine And Offshore, Natural Resources and Mining, Offshore Operations, Oil and Gas.
Across these sectors, the TRM250 is typically used in applications such as Asset Tracking And Management, Environmental Monitoring And Data Logging, Field Data Capture And Reporting, Mobile Workforce Operations, Remote Monitoring, SCADA And Control-Room Access.
These examples demonstrate the versatility of the TRM250 across both industry sectors and real-world operational use cases. Its suitability extends well beyond the scenarios listed above, making it a flexible solution for a broad range of requirements.
For further information, or to assess whether the TRM250 is appropriate for your specific application, please contact us.
The Teltonika TRM250 Industrial Cellular Modem comes with a 24 Month Limited Warrany against defects in workmanship and materials, effective from the date of shipment (unless otherwise agreed in writing).
To receive service under this warranty, the eligible product, Teltonika TRM250 Industrial Cellular Modem, must be presented to RUGGED in the United Kingdom.
For more information about the Teltonika TRM250 Industrial Cellular Modem or to arrange repairs and services not covered by the warranty, please visit the warranty section on our website.
Do you need further details about the Teltonika TRM250 Industrial Cellular Modem, or would you like to discuss a customised solution or demonstration?
At RUGGED, we recognise that every project has its own unique demands. If you have any questions about the Teltonika TRM250 or need a custom Cellular Modem solution designed specifically for you, our team of technical experts are ready to assist you.
Alternative Products
Explore alternative products offering comparable features, performance, and build quality to the model you are currently viewing.
Our related solutions provide variations in configuration, functionality, and form factor to suit different application requirements. Each option has been selected to meet the same high standards of reliability and performance.
Browse the related products below to identify the most suitable fit for your deployment.
TRM250
- Reinforced aluminium housing
- IP30 ingress protection
- Supports LTE Cat M1 and NB-IoT
- Wide operating temperature range

TRM240
- LTE Cat 1 connectivity up to 10 Mbps download
- Robust aluminium housing and IP30 dust sealing
- Wide operating temperature range -40 °C to 75 °C
- Electromagnetic compatibility to MIL-STD standards

TRM500
- 5G Sub-6GHz with fallback to 4G LTE and 3G
- Rugged anodised aluminium housing with IP30 sealing
- Flexible power options including industrial DC and USB Type-C
- DIN rail and wall mount compatibility for field deployment

Having trouble finding what you're looking for?
Selecting the correct solution for your specific application and operating environment requires careful consideration.
At Rugged, our engineering and product specialists can advise on specifications, environmental suitability, mounting requirements, connectivity, and lifecycle planning to ensure the right fit for your deployment.
With extensive industry experience and a focus on reliability and performance, we help you select a solution aligned with your operational requirements.
Frequently Asked Questions
RUGGED offers free technical support for the lifetime of products you purchase. This includes help with setup, troubleshooting, and integration. Support is available online or directly from the technical team
Cellular modems are integral for establishing and maintaining robust network connectivity in diverse scenarios, particularly where fixed-line infrastructure is absent or unreliable. The cellular modem applications are wide-ranging, encompassing everything from enabling remote telemetry and surveillance to providing resilient communication solutions in industrial settings.
These devices are essential for:
- Remote Connectivity: Providing internet access and data transmission in geographically isolated areas where wired broadband is unavailable.
- Industrial Automation: Facilitating machine-to-machine (M2M) communication for monitoring and controlling industrial processes.
- Security and Surveillance: Supporting continuous data streams for cameras and sensors in locations without fixed network points.
- Emergency Services: Offering critical communication links for first responders and disaster management teams.
- Fleet Management: Enabling real-time tracking and diagnostics for vehicles and mobile assets.
Rugged Limited specialises in providing industrial modems designed to withstand harsh conditions, ensuring consistent performance for these demanding cellular modem applications. Our modems are built to deliver secure and dependable cellular connectivity, making them an ideal choice for businesses requiring robust communication solutions in challenging environments.
Many industrial cellular modems, including those offered by Rugged Limited, are designed with support for external antennas. This capability is vital for enhancing signal reception and transmission, especially in challenging environments where integrated antennas might struggle. The flexibility to connect external Cellular Modem Antennas allows for strategic antenna placement, ensuring optimal signal strength and network reliability.
Using external antennas with industrial cellular modems can significantly improve data throughput and reduce connection drops. This is particularly beneficial for applications requiring consistent and high-performance wireless communication. When considering cellular modem antennas, it’s important to choose those that are compatible with your modem and suitable for your specific environmental conditions to maximise the benefits.
The concept of a future-proof modem is complex in the rapidly evolving landscape of cellular technology. However, Rugged Limited emphasises that industrial cellular modems are designed with longevity and adaptability in mind, making them a robust solution for current and future connectivity needs.
These modems often feature backward compatibility and support for emerging standards, ensuring they can seamlessly integrate with evolving network infrastructures such as 4G and 5G. This inherent flexibility allows them to provide consistent and reliable communication across various generations of cellular technology. By choosing high-quality industrial modems, businesses can mitigate concerns about obsolescence, as these devices are built for demanding environments and long-term deployment.
Ultimately, a future-proof modem is less about predicting every technological shift and more about investing in hardware that can adapt and continue to deliver critical connectivity as networks evolve. This approach ensures businesses maintain operational continuity and benefit from ongoing advancements in cellular technology without frequent hardware overhauls.
Understanding how cellular modems work involves recognising their role in enabling internet connectivity through cellular networks, similar to how your mobile phone accesses the internet. These devices achieve this by converting digital data into radio signals that can be sent and received over a cellular network. This process allows for communication in areas where traditional wired internet connections are impractical or unavailable.
When considering how cellular modems work, it’s important to note their capability to provide reliable and robust network access in various demanding environments. They often come equipped with features designed for industrial applications, such as wide operating temperature ranges, durable casing, and resistance to shock and vibration. These characteristics make them suitable for deployments in remote locations or harsh industrial settings where consistent internet access is critical.
Rugged Limited offers a range of industrial modems specifically engineered for these challenging conditions, ensuring dependable connectivity. These modems are designed to integrate seamlessly into existing systems, providing a vital link for data transfer and remote management functions.
Indeed, a cellular modem generally requires a cellular modem SIM card to function. This SIM card is essential for the modem to connect to a cellular network, much like a mobile phone uses a SIM. It provides the necessary credentials for authentication and allows the modem to communicate data over the network.
Rugged Limited offers a range of industrial modems designed for demanding environments, and these devices will require a suitable cellular modem SIM to enable their cellular connectivity features, ensuring reliable data transmission in various applications.
Yes, a cellular modem can indeed be remotely managed. This capability allows for continuous monitoring and control of the modem’s operational status and connected devices from any location, making it an ideal remotely managed modem solution for industrial and critical infrastructure applications.
Being able to remotely manage a cellular modem is crucial for maintaining uptime and efficiency, particularly in environments where physical access might be challenging or costly. Rugged Limited’s solutions are designed with remote management features to ensure reliable and secure connectivity.
Remote management encompasses various functionalities, such as checking signal strength, monitoring data usage, configuring network settings, and even troubleshooting issues without needing to be on-site. This significantly reduces operational expenses and improves response times for any potential connectivity problems, ensuring your remotely managed modem performs optimally.
A cellular broadband modem offers a versatile and robust solution for internet connectivity, serving as a viable alternative to traditional fixed broadband, especially in challenging environments. Rugged Limited specialises in providing industrial-grade cellular modems that are engineered to withstand extreme conditions, making them ideal for deployments where reliability and durability are paramount.
These industrial modems leverage cellular networks to deliver high-speed internet access, eliminating the need for physical cables and the associated infrastructure. This capability makes a cellular broadband modem an excellent choice for remote locations, mobile applications, and temporary setups where laying down fixed lines would be costly or impossible. Their design ensures consistent performance and secure connections, often featuring advanced functionalities like VPN support and wide operating temperature ranges.
By choosing a cellular broadband modem from Rugged Limited, users can achieve dependable internet connectivity for critical operations without the constraints of fixed broadband.
Yes, Rugged Limited offers cellular modems that support 5G connectivity, providing cutting-edge performance for various industrial applications. These advanced modems are designed to meet the demands of high-speed data transfer and low-latency communication, which are critical for modern industrial environments.
A 5G Cellular Modem from Rugged Limited ensures robust and reliable internet access in demanding conditions. Our range of industrial modems includes options with 5G capabilities, allowing for seamless integration into existing systems and future-proofing your network infrastructure. This technology is crucial for applications requiring high bandwidth, such as real-time data processing, remote monitoring, and automation.
By leveraging a 5G Cellular Modem, businesses can benefit from enhanced operational efficiency, improved data throughput, and a secure connection for their critical operations, even in challenging environments where traditional wired connections may not be feasible.







