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Orion 2.4
Non-linear junction detector - this page is a stub - wanted item

Orion 2.4 is a non-linear junction detector (NLJD), developed around 2015 by Research Electronics International (REI) in Cookeville (Tennissee, USA). Part of the ORION family of TSCM devices, it is capable of finding covert listening devices (bugs) hidden inside walls or furniture. The higher transmission frequency of 2.4 GHz makes the device more suitable for finding modern surface-mounted circuitry (SMD) than previous generations.

The device is available for a price around USD 15,200 (2023).

  • Orion 2.4
    Standard version with keypad
  • Orion 2.4 HX
    Version with touch screen
  • Orion 2.4 G
    Government-version with higher ouput power
REI promotional video
This promotional video from manufacturer REI gives an introduction of the Orion 2.4 NLJD.   

Various targets and materials
In this promotional video, REI shows how the Orion 2.4 behaves with various targets and materials. The device is particularly capable of finding small modern communication devices, such as cell phones and SIM cards, but also regular RF bugs and hidden camera systems.   

Orion 2.4 HX
  • Device
    Non-Linear Junction Detector
  • Purpose
    Detection and location of electronic devices
  • Family
  • Model
  • Year
  • Country
  • Manufacturer
    Research Electronics International
  • Frequency
    2.404 to 2.472 GHz
  • Modulation
    Pulse, Digital Spread Spectrum (1.25 MHz bandwidth)
  • Output
    3.3W EIRP
  • 2nd harmonic
    4.808 to 4.944 GHz
  • 3rd harmonic
    7.121 to 7.416 GHz
  • Sensitivity
    -140 dBm
  • Price
    US$ 15,200 (2013) 1
    US$ 19.950 (2024) 1
    * Price excl. VAT.

Orion 2.4 G
  • Output
    6.6W EIRP
  1. The Next Generation NLJD: Digital Spread Spectrum versus Analog CW
    Research Electronics International, 6 February 2015.
Further information
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Crypto Museum. Created: Monday 20 March 2023. Last changed: Tuesday, 30 April 2024 - 06:19 CET.
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