OSCOR Green Spectrum Analyzer is a powerful tool for RF detection and analysis with a frequency range of 10 kHz to 24 GHz, sweep speed of 24 GHz/1 second, and built-in software and auto-switching antenna system for total portability.

OSCOR Green Spectrum Analyzer is a powerful tool for RF detection and analysis with a frequency range of 10 kHz to 24 GHz, sweep speed of 24 GHz/1 second, and built-in software and auto-switching antenna system for total portability.

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The OSCOR Green Spectrum Analyzer stands as a robust RF detection and analysis tool, boasting a frequency range spanning from 10 kHz to 24 GHz and an impressive sweep speed of 24 GHz per second. Featuring built-in software and an auto-switching antenna system, it ensures complete portability for a seamless user experience.

This high-powered spectrum analyzer is meticulously designed to uncover unknown, illegal, disruptive, or irregular transmissions across a broad frequency spectrum. Its applications range from detecting covert transmissions by electronic surveillance devices to conducting site surveys for communication systems, analyzing RF emissions, and investigating potential misuse of the RF spectrum. Professionals in security, law enforcement, communication engineering, and IT find it indispensable.

Operating with exceptional efficiency, the OSCOR Green conducts a thorough sweep of the radio frequency (RF) spectrum, covering an expansive range from 10 kHz to 24 GHz in a mere 1-second timeframe. This rapid sweep enables swift identification of any transmitting electronic surveillance devices present in the environment. Upon detection, the device captures and stores these signals for in-depth analysis, empowering users to discern potential threats and respond accordingly.

A highlight of the OSCOR Green is REI's patented trace analysis for rapid signal detection, offering a comprehensive RF mapping solution. Featuring functions like Spectrogram, Raster Waterfall, Persistence, Signal List Generation, and more, users can effortlessly capture, store, analyze, and compare all detected signals. This includes challenging signals like burst/packet and frequency hopping transmissions, known for their intermittent and short-burst nature.

RF Mapping


Demodulation of audio and video is possible with a built-in suite of demodulators for FM, AM, SSB, subcarrier and video demodulation. These demodulators allow you to monitor audio and video signals directly on the OSCOR Green's screen while continuing regular spectrum updates.

All functions are integrated within the built-in software and auto-switching antenna system, eliminating the need for additional antennas, cables, or laptops, and making the device easy to carry and use in the field. The high-resolution touch screen interface allows easy control as you can pan, zoom, drag, and move accross data, making it easy to navigate the device's features and analyze the detected signals. It can also be operated remotely. Also, thanks to the Ethernet port, you can monitor sweeps-in-progress using 3rd party VNC. 

The Data Viewer Software is a PC application that allows OSCOR Green users to open, view, analyze, organize, export, and print saved data files on a PC. It works with a variety of file types, including trace files, signal lists, images, and audio files. It can also analyze OSCOR Green Spectrogram files.

Despite its advanced capabilities, the device is portable and lightweight, weighing less than 4 kg. Its battery power lasts 3-4 hours on one charge, making it suitable for extended use in the field. It also comes with a universal power supply that is compatible for use in a wide range of locations around the world.

The OSCOR Green Spectrum Analyzer comes in a rugged carry case with accessories including:
  • Multi-Purpose Probe: Captures carrier current signals, coax, VLF magnetic loop, infrared, and visible light transmissions
  • Directional Antenna: Helps locate transmitters, can be handheld or clipped to the antenna panel
  • Whip Antenna: Improves low frequency reception, plugs into the extension connector on top of the antenna panel
  • Lithium-ion Rechargeable Battery – 8.7Ah

OSCOR Green Main Features:

  • Rapid RF Spectrum Sweep scans 24 GHz in 1 second
  • No need for additional antennas, cables, or laptops with built-in software
  • Auto-switching multi-antenna system
  • Advanced signal analysis with Spectrogram, Raster Waterfall, Persistence, etc.
  • Touch Screen interface allows for easy controls - panning, zooming, dragging, and moving
  • Lightweight and fully portable with minimum setup
  • Quickly identifies localized RF energy transmissions and generates signal lists
  • Audio and video demodulation with built-in demodulators including AM, FM, SSB, subcarrier, and video
  • Remote access with 3rd party virtual network computing software (VNC)
  • Data Viewer software for detailed analysis and reporting of captured data
  • 3-4 hours of battery life on a single charge 

OSCOR Green vs. OSCOR Blue:

The main technical difference between OSCOR Green and OSCOR Blue is in the functioning of the Trace Data Recorder and Spectrogram Function. OSCOR Green's Spectrogram function saves intermediate traces at 24.4 kHz resolution every 10 seconds, while OSCOR Blue's Trace Data Recorder saves intermediate traces at 12.2 kHz resolution every 5 seconds. This means that the OSCOR Green captures more detailed data with higher resolution but less frequently, while OSCOR Blue saves less detailed data, but more frequently. The choice between the two models depends on what you need. If your focus is on obtaining more detailed information about the signals and capturing precise data If your requirements involve rapidly changing signals that need to be captured in real-time, the OSCOR Green Spectrum Analyzer is a more suitable option. However, if your requirements involve rapidly changing signals that need to be captured in real-time, the OSCOR Blue Spectrum Analyzer would be a better choice. 

OSCOR Green Specifications: 

Frequency: 8 GHz Model (OGR-8): 10 kHz - 8 GHz 
                 24 GHz Model (OGR-24): 10 kHz - 24 GHz
Sensitivity/Displayed Average Noise Level (DANL) (25 kHz Resolution Band Width) 
      Without Preamp = -100 dBm
      With Preamp = -110 dBm
Sweep Speed: 24 GHz/second
Preamp: DC-8 GHz = 10 dB
Attenuation: DC-24 GHz = 0 dB, -10 dB, -20 dB, -30 dB
Dynamic Range:
       Min/Max Range: 90 dB
       SFDR: 80 dB


Demodulation Types: AM, FM
Filter Sizes: 800 kHz, 200 kHz, 12.5 kHz, 6.25 kHz, 2 kHz
Subcarrier Filters: 6.25 kHz, 12.5 kHz, 200 kHz
Headphone Output (low leakage headphones included)
Built-in Speakers


Demodulation: AM, FM
Filter Sizes: 12.75 MHz, 6.375 MHz
Subcarrier Filters: 6.25 kHz, 12.5 kHz, 200 kHz


Built-in Auto Switching Antenna System:
Frequency: 8 GHz Model (OGR-8) = 10 kHz (useable) to 8 GHz
                 24 GHz Model (OGR-24) = 10 kHz (useable) to 24 GHz


Aux RF In: 10 kHz to 8 GHz
IF Out: 25 MHz wide centered at 75 MHz
Baseband Out: DC – 6 MHz
Expansion: Aux Control Port for MPP


Ethernet Port for VNC remote access 


Integrated Touch Screen with 8.4” Display
Soft Keys and Rotary Optical Encoder
USB Ports (A type): for peripherals (keyboard, mouse)


Universal Power Supply included: 100-240 VAC, 50-60 Hz
Removable Battery: Rechargeable Lithium ion, 4-hour runtime (typical)


Compact Flash (CF) Slot
USB-A Port 


Dimensions: 11.5 in x 13.2 in x 3.0 in (29.2 cm x 33.5 cm x 7.6 cm)
Weight with Battery: 9.6 lbs (4.4 kg)
Case Dimensions: 14.9 in x 19.5 in x 5.5 in (37.8 cm x 49.5 cm x 14 cm)
Loaded Case Weight: 21.0 lbs (9.5 kg)

Operating Temperature: 0° C to +50° C

OSCOR Green Spectrum Analyzer Feature Focus: 

1 second sweep of 0-24 GHz frequency range

OSCOR Green Spectrum Analyzer has an incredibly rapid sweep speed of 24 GHz in just one second at 12.2 kHz resolution. This impressive feature allows it to quickly detect any and all transmitting electronic surveillance devices, ensuring that nothing goes undetected, even in busy RF environments. When these signal are detected, OSCOR Green stores them and thanks to a variety of additional analyzing features, allows you to view, study and locate any hidden electronic surveillance device within the area. It detects pulsed, frequency hopping, and spread spectrum signals. OSCOR Green Spectrum Analyzer is also used for site surveys for communications systems and RF emissions analysis, along with security surveys and investigation of hidden surveillance equipment.

Waterfall Function

Efficient and compact with the built-in software & auto-switching antenna system

With the combination of both built-in software and automatic multi-antenna switching system, OSCOR Green is an all-in-one solution that eliminates the need for additional accessories, cables, laptops, or antennas. This simplifes the overall setup and operation, making the OSCOR Green more portable and convenient for professionals who need to perform RF detection and analysis in various locations.

Complete Signal Analysis

The advanced signal analysis and location capabilities of OSCOR Green include patented trace analysis for rapid signal detection, unique spectrogram (trace data recorder), raster waterfall display, persistence display, signal list generation, and more. REI's patented trace analysis scans the area with a sweep speed of 24 GHz per 1 second at 12.2 kHz resolution, quickly providing full trace and signal analysis and helping you identifiy and understand the RF environment. The unique spectrogram (waterfall) displays a visual representation of received traces over time, allowing you to see and track the frequency spectrum in real-time. It also provides a historical view of the signals, enabling you to see how they have changed over time. This can be especially useful in identifying periodic or rapidly changing signals. The raster waterfall display shows short term spectrogram of received signals. Persistence display shows signals in varying colors based on their persistence. The most persisent signals show in brigher colors, while the less persistent signals show in darker colors. This feature helps recognize signals that are possibly hiding or masked by existing area signals. As OSCOR Green quickly identifies localized RF energy transmissions, it generates signal lists with which you can easily analyze the detected signals and identify potential threats. It is also is capable of logging signals from burst/packet and frequency hopping devices, even when the signals are intermittent. The complete and advanced signal analysis capabilities make it OSCOR Green a powerful tool for identifying and understanding the RF environment.

Persistence display

Built-in Demodulators

OSCOR Green system includes built-in demodulators for AM, FM, SSB, subcarrier, and video signals. This allows it to analyze a wide range of signal types, increasing its versatility and usefulness. All demodulated signals will be shown on display. You will be able to see the demodulated video and hear the demodulated audio signal in Analyze mode. While demodulating, OSCOR Green will continue to sweep the spectrum and update any changes. 

Compatible with Data Viewer Software 

The Data Viewer Software allows you to view, analyze, organize, export, and print saved data on a PC. It enhances the OSCOR Green's functionality by providing a programme for detailed analysis and reporting. With the Dara Viever Software you can analyze Spectrogram files, compare multiple trace files in one graph view, display and export signal lists with detailed infomration, inspect various images, and even play back demodulated audio files. 

Remote monitoring of sweeps

Thanks to the ethernet port, OSCOR Green can be accessed remotely using third-party virtual network computing software. This allows you to monitor and analyze signals from a distance, adding an extra layer of convenience and flexibility. Whether you're in the next room or across the country, you can access the OSCOR Green and monitor a sweep in progress.

Fully portable design suitable for long operations

Despite its advanced capabilities, the OSCOR Green is portable and easy to carry, weighing only 4.4 kg/9.6 lbs. As everything you need is included in the one system, you can comfortably carry out detailed RF sweeps and analysis wherever you are, in the field or office settings, without worrying about functionality. It is powered by a rechargeable lithium-ion battery which runs approximately 4 hours on a single charge and has a universal power supply, making it suitable for long operations and extended periods in the field, without interruptions.

Integrated Touch Screen

The OSCOR Green features a high-resolution 8.4” touch screen display with pan, zoom, drag, and move controls. These controls make it easy to interact with the device and analyze the detected signals. The display is user-friendly and provides easy navigation through all the device's features and settings. The touch screen also displays a visual representation of the RF environment, helping you identify and analyze signals.
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