A DMR product with ergonomic design and all-round digital functions, TM840 helps to improve management efficiency and responsiveness in emergency situations.

The Kirisun DMR series is a cost effective migration solution from analog to digital which you can do at your own pace.

User Manual






1.8” Graphic Dot-matrix True Color Display
The large-sized, full color display enables easy viewing of information even under bright sunlight.

Multiple Languages
TM840 supports multiple languages including English, German, French, Turkish, Spanish, Nederland, Italian, Arabic, Polish.

Single Frequency Repeater Mode(Optional)
Support single-frequency repeater mode under digital mode, greatly saving frequency resources and extending communication range in DMO mode.

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

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.

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 .

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

Multiple Analog Signaling Modes
Multiple analog signalings, including MDC1200, DTMF, 2 Tone and 5-Tone, provides compatibility with existing analog communication systems.

Supplementary Services
TM840 supports supplementary services such as Radio Check, Remote Monitor, Call Alert, Monitor Channel, Permanent Monitoring, Kill, Stun and Revive, Transmit Interrupt.

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

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

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

DMR Tier3 and MPT Working Mode
(Optional) It supports DMR Tier3 and MPT1327 working mode .This option need license.



Frequency Range 136~174MHz
Channel Capacity 1024
Zone Capacity 248
Channel Spacing 20kHz/25kHz/12.5kHz
Operating Voltage 13.6±15%
Current Drain Standby <0.6A
Current Drain Receive <2.0A
Current Drain Transmit <8A(25W), <14A(40W/45W)
Frequency Stability 0.5ppm
Antenna Impedance 50Ω
Dimensions(H·W·D) 59mm×176mm×183mm
Weight 1.5Kg
LCD Display 1.77inch, 5 rows


Sensitivity Analog 0.22µV(12dB SINAD)
Sensitivity Digital 0.22µV/BER5%
Selectivity 60dB@12.5kHz, 70dB@20/25kHz(TIA-603); 60dB@12.5kHz, 70dB@20/25kHz(ETSI)
Spurious Response Rejection 70dB@12.5/20/25kHz(TIA-603), 70dB@12.5/20/25kHz(ETSI)
Inter-modulation 70dB@12.5kHz/25kHz(TIA-603), 65dB@12.5kHz/25kHz(ETSI)
Hum and Noise -40dB@12.5kHz, -45dB@20/25kHz
Rated Audio Power Output 3W
Rated Audio Distortion 3% (Typical)
Audio Response +1~-3dB
Conducted Spurious Emission -57dBm@ < 1GHz, -47dBm @>1GHz


RF Power Output Low Power:25W, High Power: 40W(UHF)/45W(VHF)
FM Modulation 11K0F3E@12.5kHz, 14K0F3E@20kHz, 16K0F3E@25kHz
4FSK Digital Modulation 12.5kHz Data: 7K60F1D&7K60FXD,12.5kHz Voice: 7K60F1E&7K60FXE
Combination of 12.5kHz Voice and Data: 7K60F1W
Modulation Limiting ±2.5kHz@12.5kHz, ±4.0kHz@20kHz, ±5.0kHz@25kHz
FM Hum & Noise
Adjacent Channel Power



Audio Response +1~-3dB
Audio Distortion ≤3%
Digital Vocoder Type AMBE+2™
Digital Protocol ETSI-TS 102 361-1,-2,-3,-4


Mounting Bracket

Handheld Microphone

DC Power Cord