Model: TM 840 GW

TM 840 GW


A full color display professional and versatile DMR mobile radio. Trunking capable.

TM 840 series gateway supports voice interconnection between DMR and PTToC radios. It can be widely used in different zones, formats and frequency bands with rich compatibility and high convenience.

TM 840 GW

Specification TM 840 GW

Wireless Communications

North America∶

FDD-LTE: B2/B4/B5/B7/B12/B13/B17/B25/B26 WCDMA: B1/B2/B4/B5/B8
GSM: B2/B8




Operating Temperature:

Storage Temperature:



Frequency Available:


Digital Protocol:

Dust & Water Protection:

Digital Vocoder Type:

Channel Capacity:

Channel Spacing:



1.77inch color display screen


-20°C +55°C

-40°C +85°C





ETSI-TS102 361-1,-2,-3,-4





BT4.2, optional



WiFi & Bluetooth Antenna, LTE Antenna, Power Cord, Mounting Bracket, Hand Microphone, Programming Cable & Micro USB Data Cable

About TM 840 GW

The TM 840 GW is an innovative wireless communication device designed to improve and simplify how we connect. 

Its main function is to provide clear and reliable voice communication, even in areas with poor cellular network coverage. The TM 840 GW transfers voice calls over Wi-Fi, thus ensuring a constant connection and optimal voice quality. This device is especially useful in rural or urban areas with poor network coverage.

TM 840 GW applications

In the business environment, the TM 840 GW can play a crucial role, here are some real-world examples:

  • It allows calls to be made and received clearly in offices located in high-rise buildings or areas with poor network coverage.
  • This device provides a useful communication solution for remote workers, ensuring that they can stay in constant contact regardless of the quality of the cellular network at their location.
  • TM 840 GW allows them to communicate when cellular networks are congested or disconnected.
  • It can contribute to the reduction of company communication costs, as calls made over Wi-Fi can be less expensive than those made over the cellular network.

TM 840 GW benefits

The TM840 is not just a communication device, but a multifunctional tool designed to optimize and improve the efficiency of your team. Here are many benefits this device can offer your organization:

  • Large color display makes it easy to view information even in bright sunlight
  • Protects the privacy of communications in any chosen mode
  • Ability to connect to a variety of accessories via Bluetooth
  • Real-time tracking of the mobile radio thanks to integrated GPS
  • Saving frequency resources and extending communication range with the single frequency repeater
  • Supports various types of voice calls and data services
  • One-touch operation for text messages or voice calls
  • Compatibility with existing analog communication systems thanks to multiple analog signaling
  • Scanning of analog voice and signaling, digital voice and data, and mixed mode scanning


1.8” Graphic Dot-matrix True Color Display

The large-sized, full color display enables easy viewing of information even under bright sunlight.

Voice Privacy

Enhanced digital encryption, including ARC4, DES and 256 bits AES encryption algorithm and scrambled analog call feature facilitate the management of the calls between team members and ensure the privacy of communications in any chosen mode.

Supplementary Services

TM 840 supports supplementary services such as Radio Check, Remote Monitor, Call Alert, Monitor Channel, Permanent Monitoring, Kill, Stun and Revive, Transmit Interrupt.

Integrated Bluetooth (Optional)

Built-in Bluetooth for connecting with variety of accessories like PTT button, Earphones and more.

Multiple Languages

TM840 supports multiple languages including English, simplified Chinese, German, French, Turkish and Spanish.


Integrated LIP (Location Information Protocol) enables the real time tracking of the mobile radio.

Accessory Expansion

TM840 is designed with an accessory port. It allows an external connection of a variety of accessories, like PTT foot pedal.

Single Frequency Repeater (Optional)

Support single-frequency repeater under digital mode, greatly saving frequency resources and extending communication range.

Versatile Voice Calls & Data Services

The Intelligent TM840 supports various voice call types, including Private Call, Group Call, All Call and Emergency Call, as well as data services, e.g. Text Message and Data Transfer.

One Touch Operation Usage

TM840 provides four programming keys, providing one touch operation such as Text Message or Voice Calls.

Multiple Analog Signaling Modes

Multiple analog signaling, including MDC1200, DTMF, 2-Tone and 5-Tone, provides compatibility with existing analog communication systems.


TM840 supports scanning of analog voice and signaling, digital voice and data, and mixed mode scan including analog and digital signals.

DMR Tier3 and MPT Working Mode(Optional)

It supports DMR Tier3 and MPT1327 working mode. This option need license.