• Features
  • Specifications

Automatic Number Identification (ANI)

After HDC2400 or HDC1200 signaling is received, the radio will display the ID or alias of the other party. The radio firmware supports a selective call list containing up to 128

Built-in modem

The built-in 1200/2400bps MSK modulator offers data transmission capability.

Emergency alarm

The emergency button allows for a transmission of a signal indicating an emergency situation.

Stun and revive

The stun function permits an authorized radio to remote disable another lost radio. This function can ensure you higher security and is perfect for the radio rental business. A stunned radio will return to operational use when the revive code is received.

Public Address (PA)

The public address feature feeds microphone audio through a powerful PA amplifier to the external speaker, offering robust, out of vehicle, audio clarity.

Large 15-Segment LCD Display

Users may toggle the display to channels or zones, auto dial numbers or other functional settings. The keypad and display illuminates to provide visibility for night time operation.

128 Channels and Dynamic Regrouping

The 128 channel and zoning capability of the TM-628H offers flexibility in organizing work groups. Each channel and zone can be assigned a user friendly name for easy identification. Dynamic regrouping offers flexibility in a changing work group environment.

Lone Worker

The lone worker feature provides added security and safety for individuals who work remotely from their team. Since this function is enabled, the radio will emit an alert tone after the preset time elapses, then the user must press any key, otherwise the emergency procedure will be activated.

Ignition Sense, Timed Power Off

When this function is enabled, you have to connect the ignition wire to the rear panel of the radio so that you can turn on/off the radio by igniting/stalling the car. The radio can only be turned on by igniting the car and will be turned off automatically within the preset time after the car stalls.

Versatile Scan

The TM-628H scan allows for single or multiple zone scanning. Scanning features include add / delete scan channels, nuisance channel delete and user selectable priority channel.

Wired Cloning / MSK Wireless Cloning

Allows users to quickly and easily duplicate one radio’s parameters into another radio.

UST (User Selectable Tone)

The user can select CTCSS/CDCSS codes via the programmed function key.
General
Frequency Range
136-174MHz 400-470MHz
Channel Capacity
128
Zone Capacity
16
Channel Spacing
25/20/12.5KHz
Operating Voltage
13.6V DC ±15%
Current Drain
Standby 0.5A
Receive <2.0A
Transmit 12A (50W/45W)/< 5A (5W)
Frequency Stability
±2.5ppm
Operating Temperature
-30℃~+60℃
Antenna Impedance
50Ω
Dimensions (W×H×D)
154 X 48 X 161mm
Weight
1Kg
Transmitter
RF Power Output
45W /50W
Modulation
16K0F3E/11K0F3E
Spurious and Harmonics
< -23dBm
FM Noise
>45dB (25/20KHz) >40dB (12.5KHz)
Audio Distortion
≤3%
Receiver
Sensitivity
0.28 μV
Selectivity
75/65dB
Intermodulation
70
Spurious Response Rejection
70
S/N (wide/medium/narrow)
>45dB (25/20KHz) >40dB (12.5KHz)
Internal Audio Power Output (Rated)
5W (less than 5% distortion) 3W (less than 3% distortion)
External Audio Power Output (Rated)
13W (less than 5% distortion) 12W (less than 3% distortion)
All Specifications are tested according to TIA/EIA-603, and subject to change without notice due to continuous development.
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