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  NJE-4000 - ORION NJE-4000
printable version of ORION NJE-4000   REI Home  
US Patent numbers 5,815,122; 6,057,765; 6,163,259. U.K. Patent numbers GB2344423; GB2351154; GB2381077; GB2381078
NJE-4000 [ORION Non-Linear Junction Evaluator]

click for a larger picture

ORION HGO (The Great Hunter) provides the capability to detect hidden electronic devices, regardless of whether the device is radiating, hard wired, or even turned on at all! ORION is the latest advancement in Non-linear Junction Detection and evaluation for Countersurveillance.

NJE-4000 Advantages
  • Minimum Set-up Time, no cables or bulky transceiver units to carry
  • Light weight, balanced ergonomic design for ease of use
  • High Transmit power for rapidly searching a large area
  • Circularly Polarized Antenna reduces search time and improves reliability
  • Dual Harmonic with Discrimination Algorithms Minimizes False Alarms
  • Standard type camcorder battery with long use time and quick charge function
  • Wireless Headphones and Graphic Display for simultaneous Audio & Visual Information

NJE-4000 Advancements
  • 2nd and 3rd harmonic operation includes advanced algorithms for minimizing false alarms as well as listening capability for each harmonic.
  • Dynamic power control for locating threats; automatic or manual control (14 mwatt to 1.4 watt) .
  • Synthesized transceiver provides frequency stability and agility to automatically search for clean operating frequencies (Frequency range 902-928 MHz for US models and 880-1,005MHz MHz for export models).
  • Circular, polarized antenna removes risk of missing a threat due to incorrect antenna polarization.


Infrared Headphones

  • Headphones can be plugged directly into main unit or plugged into the Infrared Receiver.
  • Plugging Headphones into the main Unit turns off the IR transmit function on the main unit.
  • Plugging Headphones into the IR Audio Receiver automatically turns on the IR Audio Receiver.
  • Volume Control is adjusted via the main Unit.

Antenna Polarization:

  • Circular for both transmit and receiver functions.


  • Frequency Bands: 880 - 1005 MHz @ 200 kHz steps. USA: 902.2-927.8 MHz. CE mark version is available on request.
  • Peak Power: 1.4 Watts (Effective Radiated Power including antenna gain and all system losses).
  • Power Control: Manual or Automatic


  • Frequency Bands: Second (1760-2010 MHz) or third (2640-3015 MHz) harmonic of transmit frequency.
  • Sensitivity: -133 dBm for both Harmonics. (see software integration)
  • Gain Control: The gain of the unit is enhanced using software integration. Various modes of operation have different integration algorithms for maximum performance. The gain is controlled by setting the level of integration using the SET key.


  • ORION weight: 3.3 lbs (1.5 kg)
  • ORION weight with battery: 3.7 lbs (1.7 kg)
  • Case weight including ORION and accessories: 12.8 lbs (5.8 kg)

Battery Specifications

  • Externally rechargeable standard type battery
  • 7.2v NiMH
  • Run time: 3 hours per battery (typical) 

Battery Charger

  • Dual battery charger with Automatic Operation.
  • Universal AC input
  • Charging Time: approximately 1hour per battery
  • Sequentially charges both batteries.

Click here for information regarding REI International Shipping Policies.

Detecting Cell Phones In Prisons With the ORION Non-Linear Junction Detector


download files for ORION NJE-4000ORION NJE-4000 file downloads PRODUCT DISCONTINUED
download ORION Folleto en EspañolORION_Folleto_en_Espanol.pdf663 kBORION Folleto en Español
download ORION Manual SpanishORION Spanish Manual.pdf368 kBORION Manual Spanish
download Orion quick reference guideORIONQuickRef151.pdf16 kBOrion quick reference guide
download ORION used to find cell phones in prisons.ORION_Prison.pdf504 kBORION used to find cell phones in prisons.
download ORION color brochureORION.pdf451 kBORION color brochure
download ORION Manual
ORION_Manual.pdf374 kBORION Manual

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