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Perfect for growing organizations, the flexible TM-800 Professional mobile radio can readily expand to meet fast changing business needs. HYT’s voice compander audio enhancement and a powerful 5W internal or 13W external speaker ensure superb clear, crisp sound, even in noisy environments.


Front Panel Menu Operation
TM-800 mobile has nine main menus, including system information, hunt mode, radio set, beep volume, ring volume, status message, short data, mode select, call records.
Manual Select BS
Write parameters of different BS control (signal) channel into different control channel team, then the user can select BS via the key press.
Flexible Group Call Setting
A combination of 40 call groups, including Ack group, join group, temporary group, and hidden group.
Allows the user to initiate an emergency call, the Emergency ID can be set via the programming software.
Temporary Grouping in Roaming System
Manually change the prefix to join the temporary grouping of the roaming system.
Calling Party Number Display
When radio receives a group call, local LCD displays the talking party number for caller identification. 
Channel Hunt
3 Hunt types are provided for your selection via the programming software or radio menu. Manual hunt button is programmable. 
Status Message
Received status message displays the message plus the number of the sender. Use the UP and Down keys to scroll through and further view up to 10 status messages. The messages are of maximum 32 types.
Short Data
Allows the user to send and receive short data messages. TM-800 displays up to 10 short data messages with each up to 20 digits.
Call Record
The call history shows the last 10 dialed calls, 10 received calls and 10 missed calls.
Dynamic Regrouping
Users have the flexibility to reassign the radios into new talkgroups for urgent communication, eliminating the need to return the radios to the workshop for re-programming. The system designated temporary group number is changed upon the mobile radio receives temporary grouping signal from the trunking system. 
The trunking system could remotely inhibit transmit of a mobile radio according to radio ID. A killed radio will be remotely revived and return to operational use after it receives the revive code. 
Vote Now
After the mobile radio has received a broadcasting signalling from the system, it will sample the field strength of base stations nearby if the designated base stations nearby are required to be voted. The mobile radio will automatically switch to operate on the base station nearby if the preset conditions are met.
512 channels and dynamic regrouping
High 512-channel operating capacity on the TM-800 enables the mobiles to accommodate a vast number of users and work groups concurrently. Each zone or channel can be assigned with a customized name for easy identification. Dynamic regrouping provides greater flexibility in organizing different work groups.
Versatile Signalings
The TM-800 mobile is packed with a full range of signalling capabilities, including CTCSS, CDCSS, 2-Tone,5-Tone and DTMF.
Remote Mount Control Head
The remote mount control head can be mounted on the dashboard without the radio chassis, ideal when space is constraint.
Public Address (PA)
The PA feature feeds MIC audio through a powerful external PA amplifier, and outputs through external speaker, offering robust audio clarity in harsh, noisy environments. 
Versatile Scan
Three scan modes are available: single zone scan, multiple zone scan and list zone scan. Achievable functions include add/delete scan channel, temporarily close priority channel, temporarily delete nuisance channel, and user selectable priority channel. 
Auto Power Control (APC)
In case of long time transmission at high power, the TM-800 series will automatically switch to low output power to avoid radio over-heating. 
Password Protection
The radio offers power on password protection, to prevent unauthorized use; plus reading password to both protect the privacy and prevent unauthorized cloning of radio data.




Frequency Range
136-174MHz   400-470MHz
Channel Capacity
Zone Capacity
Channel Spacing
Operating Voltage
13.6V DC ±15%
Current Drain
Standby: <0.5A
Receive: <2.0A
Transmit: <5A(5W)/<8A(25W)/<5A(5W)/<8A(25W)
Frequency Stability ±2ppm
Operating Temperature -30℃~+60℃
Antenna Impedance 50Ω
Dimensions (W×H×D) 164 mm×180mm×48mm
Weight 1.7Kg


RF Power Output
5W/25W/50W(VHF) 5W/25W/45W(UHF)
Spurious and Harmonics
-36dBm<1GHz   -30dBm>1GHz
FM Noise (wide/narrow)
Audio Distortion




Sensitivity (wide/narrow)
Selectivity (wide/narrow)
Intermodulation (wide/narrow)
Spurious Response Rejection
S/N (wide/narrow)
Internal Audio Power Output (Rated)
3W (less than 3% distortion)
External Audio Power Output (Rated)
10W (less than 3% distortion)


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