RF Explorer Sniffer - public Beta available

This major feature for RF Explorer Spectrum Analyzers is now available as public Beta release.

We have been working hard the last few months to embed a huge list of features, including the ability to create your own decoder Add-ins:

  • Capture OOK/ASK modulation data packets at any frequency supported by your device model (in the range 15-2700MHz)
  • Filter and trim noise out of the data capture
  • Included decoders for PT2264 remote controls and Oregon Scientific weather stations
  • Advanced zoom, contextual menus, text, configuration settings for sample rate and frequency.

There are so many features included, the only way to elaborate them is through an accompanying guide included in the software package.

Download available in the BETA area of the download page.

How the RF sniffer works

You can detect RF transmission and decode data either manually or automatically.

Most gadgets and devices like the ones depicted below can be easily captured and processed by RF Explorer sniffer tool:

The RF transmission would look like a train of pulses at first sight, but it can include a large number of unusable noisy data, as well as duplicated data packets transmitted by the gadget.

Thanks to RF Explorer Sniffer tool advanced features, you can easily remove unwanted noise and detect envelope digital modulated signal, so it can be interpreted according to available documentation or reverse engineering.

If the device transmit a protocol currently supported by one of the included Decoders, the RF Explorer Sniffer will do all decoding with a single click:

Using this extremely advanced feature, checking any RF transmission is now a trivial task.

Below is a fully decoded RF remote control data packet including address and data values when pressing button [1] of that particular remote control. A good example of use for this would be to adjust your remote control receiver to the right address to react to that remote control.

And this is an example of fully decoded Oregon Scientific Weather Station sensor transmitting 7.9C temperature and 55% humidity.

This useful tool enables RF Explorer models such as 433M (by a mere $99) assist you on debugging RF projects, detect wanted and unwanted transmissions and interpret any gadget at hand. As opposed to other tools available, you do not need to disassemble or connect cables to the RF gadget in order to detect what is being transmitted: your RF Explorer connected to a Windows PC is all you need for the antenna capture and sniff around!

Developing your own Decoder add-ins

By using a simple yet effective Add-in model, RF Explorer for Windows can be easily extended with your own Decoders.

You can develop decoders in any language, samples are provided in Python and C#, but others like Perl, VB, C/C++, Java and pretty much any environment you are familiar with can do the work just fine. The only requirement is to produce a command line tool, following certain convention for data communication between the Add-in and the RF Explorer for Windows tool.

Happy hacking!

RF Explorer v1.15 upgrade available

We are happy to announce the availability of the latest firmware and software for Windows, as a free upgrade.

It includes final release version v1.15 firmware for Spectrum Analyzer and Signal Generator, as well as v1.15.1607 latest compatible RF Explorer for Windows.

The major features include full support for Signal Generator Frequency Sweep, Amplitude Sweep and Network Analyzer.

On the Signal Generator handheld device this is fully supported with new advanced screen modes as depicted below:

  • Improved Signal Generator CW screen with GHZ/MHZ/KHZ indicators

  • Improved Frequency Sweep screen with G/M/KHz indicators and true start power level

  • New Amplitude Sweep screen with true power level indicators

We recommend all users to benefit from these new features and fully stable latest firmware v1.15 upgrade. Please download from our online repository.

RF Explorer firmware v1.12B32 available

This firmware resolves a problem with RF module idle mode. Before this fix, the Combo units with two modules may not always power off the unused module correctly, leading to higher power consumption and RF false readings.

Thanks for customers reporting this problem, it was elusive bug not all silicon RF devices had, not resolved by everyone at last.

Download available in our website (link)

Upgrade instructions available in the internal release notes document.

Visit us at Hamvention 2016

dayton hamvention logo

We are happy to announce RF Explorer will be available for demo and purchase in Hamvention 2016.

Hamvention is one of the largest and premiere Amateur Radio shows and flea market. The show this year will be held May 20 to 22 in Dayton, Ohio; where thousands of hams from across North America (and the world) converge to one location to see hundreds of commercial and flea market vendors.

NutsAboutNets will offer all our RF Explorer product family and you can ask questions, take demos and see the product first hand in booth #342, Silver Arena. We can also help you understand how a Spectrum Analyzer and Tracking Generator can make your life easier tuning antennas, checking filters, detecting jam and noise sources, to name a few..

We hope to see you there!

New RF Explorer for Windows 1.12.1604.3 available


  • Automatic connection of Spectrum Analyzer and Signal Generator device. This is a major improvement to allow transparent operation of connected devices in any configuration. If you are using a RF Explorer Spectrum Analyzer and a Signal Generator together for SNA or other purposes, the easiest way to work with them now is as follows:
    • Connect Spectrum Analyzer to USB
    • Connect Signal Generator to USB
    • Start RF Explorer for Windows application.
    • Both devices will be automatically connected to correct ports and enable SNA display automatically.
  • Manual connection of devices is still available as usual, in all cases the application will try to connect the right device to the right port as soon as the connection is made.
  • Aligned waterfall 2D view on main Spectrum Analyzer screen. Now is possible to have a fully aligned frequency view on both displays.
  • Waterfall dedicated tab view is now independently configured from that of Spectrum Analyzer tab view. This is best fit for a convenient 2D waterfall on Spectrum Analyzer and a full featured 3D view on Waterfall view. Configuration settings such as transparency and Realtime/MaxHold settings for waterfall are also independent in both views .

  • Default settings are now Dark Mode and Spectrum Analyzer view configured to include waterfall 2D. This setting can be reconfigured by user anytime. If you do not need or like the Waterfall view, use menu View->Include Waterfall in Main Screen->None.
  • Configuration device icon is now disabled by default, to allow waterfall alignment. You can enable the device icon again using menu Device->Show RF Explorer icon…

Bug fixes

  • Waterfall screen display is now properly updated when “Data Sample” index is manually modified while Hold mode is enabled. Before this fix, waterfall display may not update with correct data when Data Sample was manually modified.
  • Frequency Markers are invalidated in Wifi Mode if they are out of range. Before this change, some markers could read incorrect values while Wifi Analyzer mode was enabled.
  • Frequency Markers no longer get out of screen if too many are enabled. Before this fix, a long list of markers on screen may actually go beyond application markers area.

This free upgrade is available at our download page.