72.34 EUR
Teltonika TRM250 LTE Modem
The Teltonika TRM250 is a high-performance LTE modem designed for industrial applications. Featuring robust construction and extensive coverage, this versatile modem provides reliable internet connectivity in challenging environments
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Teltonika TRM250 LTE Modem
The Teltonika TRM250 LTE Modem is a compact yet powerful industrial communication device designed to deliver reliable connectivity across a wide range of environments. With its robust aluminium housing, internal antenna, and support for multiple cellular standards—including 4G/LTE Cat‑M1, NB‑IoT, EGPRS (2G), and 3G—it offers unparalleled flexibility for modern IoT deployments.
Key Features
- Internal Antenna: Eliminates the need for external antenna modules, reducing installation complexity while maintaining strong signal reception.
- Aluminium Housing: Provides excellent thermal conductivity and mechanical protection against dust and moisture. The aluminium construction also contributes to a lightweight form factor.
- Wide Temperature Range: Operates reliably from -40 °C to +75 °C, making it suitable for harsh industrial settings, outdoor installations, and automotive applications.
- Humidity Tolerance: Handles relative humidity levels between 10 % and 90 %, ensuring stable performance in humid climates.
- Micro‑USB Interface: Simplifies connectivity to host devices, enabling easy integration with PCs, gateways, or embedded systems.
- LED Indicators: Provides real‑time status feedback for power, network connection, and data activity.
- Protocol Support: Fully compliant with TCP/UDP, PPP, FTP(S), HTTP(S), NTP, PING, QMI, and SSL, allowing seamless communication across diverse application layers.
Connectivity Options
The TRM250 supports a broad spectrum of cellular technologies:
- 4G/LTE Cat‑M1: High‑throughput data for bandwidth‑intensive applications such as video streaming or large file transfers.
- NB‑IoT: Ultra‑low power, low‑data‑rate connectivity ideal for sensor networks and remote monitoring.
- 3G (EGPRS): Reliable fallback option in areas where 4G coverage is limited.
- 2G (GSM/EDGE): Legacy support for legacy infrastructure or regions with only 2G coverage.
Industrial Design and Durability
The device’s aluminium chassis not only offers a sleek aesthetic but also ensures durability against mechanical shock, vibration, and temperature extremes. The internal antenna design reduces the risk of damage from environmental factors such as rain or dust ingress.
Power Management
Powered via a standard Micro‑USB port, the TRM250 can be powered directly from USB sources or through external DC adapters. Its low power consumption profile makes it ideal for battery‑powered deployments where energy efficiency is critical.
Software and Management
The modem supports a comprehensive set of management protocols:
- QMI (Qualcomm MSM Interface): Enables advanced control over network registration, bearer configuration, and diagnostics.
- SSL/TLS: Provides secure data transmission for sensitive applications.
- NTP & PING: Facilitates time synchronization and connectivity checks.
These capabilities allow developers to script automated configurations, monitor network health, and enforce security policies directly from the host system.
Typical Use Cases
- Industrial Automation: Remote monitoring of machinery, predictive maintenance, and real‑time telemetry.
- Asset Tracking: GPS‑enabled tracking devices that require reliable cellular connectivity in diverse terrains.
- Smart Metering: Utility meters communicating consumption data over NB‑IoT or LTE Cat‑M1 networks.
- Agricultural IoT: Field sensors transmitting environmental data across wide rural areas where 4G coverage may be sparse.
Installation and Integration
Integrating the TRM250 into a system is straightforward:
- Connect the Micro‑USB cable to the modem and host device.
- Insert a compatible SIM card (mini or micro).
- Configure network settings via QMI commands or the provided SDK.
- Monitor status LEDs for power, network, and data activity.
The device’s compact dimensions (approx. 70 mm × 30 mm × 15 mm) allow it to fit into tight spaces, making it suitable for embedded applications or portable gateways.
Compliance and Standards
Teltonika ensures that the TRM250 meets industry‑wide communication standards:
- TCP/UDP: Core transport protocols for reliable data exchange.
- PPP (Point-to-Point Protocol): Provides a standardized method for establishing direct connections over serial links.
- FTP(S) & HTTP(S): Enables file transfer and web communication with optional encryption.
- NTP: Network Time Protocol support guarantees accurate timekeeping across distributed systems.
- PING: Basic connectivity testing tool integrated into the modem’s firmware.
- QMI: Qualcomm interface for advanced network control and diagnostics.
- SSL/TLS: Secure Sockets Layer/Transport Layer Security for encrypted data streams.
Documentation and Support Resources
A comprehensive manual is available, detailing configuration procedures, command references, and troubleshooting guidelines. This documentation ensures that developers can fully harness the modem’s capabilities without extensive reverse engineering.
Conclusion
The Teltonika TRM250 LTE Modem stands out as a versatile, rugged, and feature‑rich solution for industrial IoT connectivity. Its blend of compact design, broad network support, robust aluminium housing, and extensive protocol compliance makes it an ideal choice for applications ranging from smart agriculture to asset tracking and beyond.
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 72.60 EUR  73.20 EUR  53.90 EUR  7.34 CHF  71.40 EUR |
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| Identifiers | |
| Brand | TELTONIKA |
| MPN | TELTONIKA 8917344000 |
| ID | 24752953 |
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| Key Features | |
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Antenna type The classification of an antenna used in a device, indicating its physical configuration or mounting style such as external, internal, integrated, directional, omnidirectional, or multi‑antenna setups (e.g., "2x2", "4 x External"). It helps buyers understand how the antenna is attached and what signal coverage it may provide.
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Internal |
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Colour The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.
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Aluminium, Blue |
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Compliance industry standards A list of regulatory, environmental, safety, and quality certifications that a product meets. Each entry may be a single certification (e.g., "RoHS", "CE") or a group of related certifications separated by commas (e.g., "CE, FCC, RoHS"). The attribute captures all applicable compliance marks for the item.
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TCP/UDP/PPP/FTP(S)/HTTP(S)/NTP/PING/QMI/SSL |
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Housing material Indica el material o la combinación de materiales con los que está fabricado el componente más importante de un producto, como metal, plástico, vidrio u otros compuestos. Este atributo ayuda a comprender la durabilidad, peso y estética del artículo.
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Aluminium |
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LED indicators A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.
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Yes |
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Operating relative humidity The range of relative humidity (in percentage) within which the product is designed to operate reliably. Values are expressed as a minimum–maximum interval such as "20 - 80 %" and indicate the acceptable environmental moisture level for optimal performance.
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10 - 90% |
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Operating temperature The range of temperatures in which a product can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.
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-40 - 75 °C |
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USB connector type The type(s) of USB connector(s) present on a device, such as Micro‑USB, USB Type‑C, USB Type‑A, or combinations thereof. This attribute indicates the physical ports that can be used for data transfer, charging, or peripheral connectivity.
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Micro-USB |
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