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AOR
  
AR-8000
Handheld VHF/UHF scanner

AR-8000 was a handheld HF/VHF/UHF all-mode scanning receiver for the 500 kHz to 1.8 GHz frequency range, introduced in 1994 by AOR in Tokyo (Japan). The device was aimed at radio amateurs and scanner listeners, but was also used by law enforcement and intelligence services for inter­ception, monitoring and bug tracing, often in combination with a near-field interceptor.

The device has the look and feel of a regular two-way handheld transceiver, but is in fact a general coverage all-mode scanning receiver that can hold up to 1000 channels divided over 20 banks in its non-volatile memory. In addition it has space for 1000 lock-out frequencies (i.e. channels that must be ignored during scanning), and one continuously checked priority channel.

AR-8000 is suitable for the reception of signals in AM, FM, USB, LSB and CW waveforms (modes), but also for reception of Wideband FM (WFM) stations in the 88-108 MHz broadcast band.
  

At the time of its introduction (1994), the AOR AR-8000 was one of the fastest and most versatile general coverage all-mode handheld scanners on the market. Two years later, in 1996, com­pe­ti­tor Icom launched the competing IC-R10 with similar specifications, but a much lower scanning speed. Both devices were used by amateur radio operators and scanner enthusiasts, but also by vari­ous government agencies for intercepting and analysing nearby two-way radio traffic and for finding covert listening devices (bugs), in most cases alongside other TSCM equipment.

AOR AR-8000 with serial port cable
AOR AR-8000 - right angle view
AOR AR-8000 - left angle view
AOR AR-8000 - right angle view
AR-8000 seen from the top left
Controls and sockets at the top surface
AR-8000 rear view
Serial interface flat cable fitted to socket under battery compartment
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AOR AR-8000 with serial port cable
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AOR AR-8000 - right angle view
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AOR AR-8000 - left angle view
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AOR AR-8000 - right angle view
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AR-8000 seen from the top left
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Controls and sockets at the top surface
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AR-8000 rear view
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Serial interface flat cable fitted to socket under battery compartment

Features
The image below provides a quick overview of the controls and connections of the AR-8000. At the front is a 20-button backlit keypad and a backlit Liquid Crystal Display (LCD). Above the display is a loudspeaker. At the top of the device are buttons for volume and squelch control, plus a rotary dial for channel and frequency selection. Also at the top are sockets for antenna (50Ω BNC) and a 3.5 mm jack for the earphone. When used, it disables the internal speaker.


Four additional push-buttons are located at the left side. They are positioned in such a way that they can easily be operated with the thumb, when held in the left hand. The upper button (FUNC) must be pushed to allow selection of the alternative functions, printed in red on the key tops.


The AR8000 is powered by four 1.5V AA-size dry batteries, or by the four 1.2V rechargable NiCd cells that were supplied with the device. They can be charged with the supplied mains AC adapter that should be connected to the power socket at the right side. When fully charged, the batteries allow several hours of uninterrupted operation. It can be used when charging is on progress.

Serial port
The device has an embedded serial port that allows it to be controlled remotely from a personal computer (PC) or another device, such as an Optoelectronics Scout or Xplorer, for reaction tuning. The Scout is a logging frequency counter that locks on nearby transmitters only, and then auto­matically tunes the AR-8000 to the desirect frequency so that the conversation can be monitored.

Xplorer is a near-field interceptor, that can detect and demodulate RF signals in its vicinity. When a signal is detected, it sends the frequency to the AR-8000, so that it can be monitored from a greater distance. To interface with such devices, the (internally hidden) serial port must be brought out, which is done by installing a modified battery lid and the special cable shown in the images below. The white end of the cable is inserted into the slot in the battery lid and then pres­sed down until it binds with the header inside the device. It is held in place by a piece of velcro.

Lid oremoved from battery compartment
Serial interface cable
Serial interface cable
Fitting the serial interface
Serial interface flat cable fitted to socket under battery compartment
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Lid oremoved from battery compartment
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Serial interface cable
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Serial interface cable
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Fitting the serial interface
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Serial interface flat cable fitted to socket under battery compartment

Compatible devices on this website
Optoelectronics Scout 40 logging frequency counter 10 MHz - 1.4 GHz
Sensitive near-field test receiver 30 MHz - 2 GHz
Specifications
  • Device
    Handheld HF/VHF/UHF scanner
  • Purpose
    Frequency hunting, interception, monitoring, bug tracing
  • Model
    AR-8000
  • Manufacturer
    AOR, Ltd.
  • Country
    Japan
  • Year
    1994
  • Frequency
    500 kHz — 1.9 GHz
  • Resolution
    50 Hz (and every multiple of 50 Hz)
  • Waveforms
    AM, FM, WFM, LSB, USB, CW
  • Input
    BNC, 50Ω
  • Memory
    1000 channels, divided over 20 banks of 50 channels each
    1000 pass (lock-out), divided over 20 banks of 50 channels each
    1 priority channel
  • Output
    120 mW, 8Ω (10% distortion)
  • Power
    4.8V — 6V DC
  • Batteries
    4 × AA-size 1.5V Alkaline or NiCd
  • External
    9V — 16V DC
  • Current
    20-160 mA
  • Dimensions
    153 × 69 × 40 mm (HWD)
  • Weight
    350 g (with batteries)
Options
  • ABF-125
    Civil airband filter
  • CR-8000
    Tape recorder control/audio interface
  • CU-8232
    RS232C and cloning interface (PC control)
  • DA-3000
    Discone antenna (outdoor)
  • LA-320
    Desktop loop antenna (1.6-15 MHz)
  • SC-8000
    Leather carrying case
  • WA-7000
    Twin element antenna
Documentation
  1. AR-8000 operating manual
    AOR, 1994.
References
  1. Anonymous, AOR AR-8000 with serial number xxx - THANKS !
    Crypto Museum, 17 May 2017.

  2. Janne (AM0OFV), AOR AR-8000
    RigPix Database. 26 January 2025.
Further information
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© Crypto Museum. Created: Thursday 14 August 2025. Last changed: Saturday, 16 August 2025 - 10:46 CET.
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