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Yaesu SCU-23 Camera/Mic Ext Cable for FTM400DR & MH-85A11UMic
Yaesu SCU-23 Camera/Mic Ext Cable for FTM400DR & MH-85A11UMic
-TD-Q8A 2m/440 HT Serviced
-TD-Q8A  2m/440 HT Serviced

Shop Serviced and back to you at a LOWER price.

The TDXone TD-Q8A HT is a compact hand held transceiver providing 4 watts in the frequency range of 144-148 MHz and 430-450 MHz. It features 128 memories , simple controls, High/Low power, time-out timer, lock, English voice prompt, VOX, CTCSS/DCS encode/decode, 1750 Hz burst, dual band display, battery saver, LED flashlight, low battery alert and FM broadcast band reception.

It will fit in your shirt pocket with room to spare at only 2.25 x 4.35 x 1.3" 7 ounces. The TD-Q8A comes with Li-ion battery, AC charger, standard SMA antenna, manual and belt clip.


  • 4 Watts VHF / 4 Watts UHF
  • 128 Memories
  • Dual Band Display
  • FM Broadcast Band Receive
  • Dual Standby
  • White Light LED flashlight
  • VOX
  • IP65 Waterproof (Water jets)
  • Receives 136-174 MHz and 400-470 MHz and FM Broadcast 76-108 MHz.

Dual frequency, dual display&standby




DTMF setting

10 channel FM radio storage

 Wide/Narrow Band(25kHz/12.5kHz)

VOX (level adjustable)

English voice prompt


Priority scan

squelch (levels selectable)

LED display mode

Power-on message 

Keypad lock

Channel name edit and display

Shift direction

Offset frequency

Transmit power setting (High/Low)

Scan mode setting

Power save function

Auto keypad lock

Busy channel lock

Time out timer (TOT)

Beep function

Emergency alarm call

PC programmable

Wire clone

128 memory channels

A/B frequency independent operation

All callgroup callselective call

IP65 waterproof (water jets)

Comes with:


Technical Specifications

Freq Range Receive : 88-108 MHz, 136-174 MHz 400-470 MHz
Freq Range Transmit : 144-148 MHz, 430-450 MHz
Channel Capacity : 128
Channel Spacing : 25 KHz
Channel Steps : 2.5 / 5 / 6.25 / 10 / 12 / 25 KHz
Antenna Impedance : 50 ohms
Microphone Impedance : 600 ohms
Operating Voltage : 7.4 VDC
Frequency Stability : +/- 2.6 PPm
Size (without Antenna) : 110mm x 57mm x 33 mm
Weight (with battery) : 195 g
Battery : 1800 mAh (Polymer Li-ion)


RF Power Output : < 5W
Modulation Type : FM
Sensitivity : < 15 mV
Modulation Distortion : <= 5%
Max Freq Deviation : <= 5KHz / 2.5 KHz
Occupied Bandwidth : <= 16 KHz
Modulation Feature : +/- 3dB
Spurious Radiation : <= 7.5 uW
Adjacent channel Power : <= -65 dB


Sensitivity (12dB SINAD): <= 0.15 uV 12dB S/N
Squelch Sensitivity : <= 0.10 uV
Audio Power Output : 500 mW (12 ohms)
Audio Respond : +2 -8
Operating Bandwidth : > 5 KHz
Co-Channel Rejection : >= -8dB
Blocking : >= 85 dB
Adjacent Channel Selectivity : >= 65 dB
Standby Current : 60 mA (unsave) 15 mA (save)
Spurious Rejection : >= 60 dB
Intermodulation Rejection : >= 60dB

Notice: Specifications may be revised without notice due to technical improvement.

Thank you

Shipping info:
Size : 10.5 in x 7 in x 2.5 inch
Weight : 1.75 lbs


Q8A User Manual.pdf 9.3Mb PDF

TDX-Q8A-EN-V6.0-setup.exe 3Mb programming software
NOTE: Do NOT use this software on the older TDX-Q8 model. whos (S/N starts T2013Q800xxx) (Sold before Dec 2013.)

MAC and UNIX users can program this radio via 3rd party open source software CHIRP

USB Cable Drivers for Windows 98/ME/2K/XP, Vista, 7, 8 9.5Mb ZIP file


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This product was added to our catalog on Thursday 01 November, 2018.
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