The brand-new RFS44 44 GHz four-port switch is available for purchase!→

Featured article

Spike’s new RF Mapping analysis mode, and frequency hopping I/Q acquisition for the SM200 via API

Updates to Signal Hound’s custom applications are ongoing. Our talented engineering team continues to add industry-standard features to both our valuable (FREE) Spike RF analysis software, and the Signal Hound SDK. Hit the road with Spike’s new RF mapping feature Recently, our team of software ninjas added an incredible new feature to Spike – RF

Read the article

Introduction To Practical Spectrum Analysis

This is the first post in a multi-part blog series, teaching you the essential concepts of spectrum analysis. From browsing the internet on your smartphone to surviving the cramped seating arrangement of a modern airliner, RF and microwave electromagnetic (EM) signals enable communication of information for everything from public safety to social media. The devices

New Blog Series: Understanding Real Time Spectrum Analysis

It’s no secret: the wireless world is hot. From the top tech companies in the world to homebrew hackers working in their basement, wireless communications are changing the world in exciting ways. Working with radio frequency is standard fare for many in the electronics world, and there are many tools available to help when developing

QST Reviews Our 4.4 GHz Scalar Network Analyzer

A few years ago, we sent the devices in our 4.4 GHz scalar network analyzer product combo to the editors of QST magazine for a review. They received the USB-SA44B and USB-TG44A in brand-new, just-off-the-manufacturing-line condition, and we were really excited to get some feedback from such veterans in the field. We anxiously waited. And then we waited some

Video: TRXBench Reviews Our 4.4 GHz Scalar Network Analyzer

YouTube user TRXBench recently posted an amazingly thorough and in-depth review of our 4.4 GHz scalar network analyzer. Coming in at just over 2 hours and 15 minutes (wow!), the video goes through couple different processes, covering everything from unboxing and software installation to use and experiments. If you’ve ever been curious as to how

VSG25A Highlighted in Microwave Journal Low-cost Test Equipment Video

Okay, so maybe this was technically posted last year, but that was still only a few weeks ago at this point. Microwave Journal Editors Pat Hindle and Gary Lerude present a brief holiday-themed rundown of smaller, low-cost test equipment products that were released during 2015. The VSG25A vector signal generator was first amongst the mentions.

Keysight EXA Characterizes Our VSG25A Vector Signal Generator in a New Video from The Signal Path

In another outstanding, thorough review from Shahriar at The Signal Path, the Keysight EXA signal analyzer is put through the paces for just over an hour-and-a-half. And, well, call us biased, but we loved the part where he generated a signal for analysis with our VSG25A vector signal generator. Watch the video here:, and

Antenna Measurement and Characterization with UAVs

Ken Taylor, managing director of Australia’s Silvertone Electronics, recently notified us of a customer of his who is doing some fascinating antenna measurement and characterization from the air. He’s doing what? Jason Schreiber is an RF Engineer at Innovative Drone Solutions, and he just released a short paper on using unmanned aerial vehicles (UAVs, commonly

Why Our Software Updates Are Free, and Will Continue to Be Free

Signal Hound provides free software updates for our devices. This includes functionality and feature enhancements, not just stability updates. It’s a simple claim, yet we feel the statement is powerful in its implications. Now, we realize that we’re not the only company providing free software updates, and we know this isn’t a new concept. We

News Release: Signal Hound Introduces Frequency Mask Triggering to Detect Spectrum Interference

Signal Hound Introduces Frequency Mask Triggering to Detect Spectrum Interference Read the News Release (42k PDF)

STEM Superhero: Michael Miller’s Study of RF Propagation from Mobile Phones

Michael Miller is a sophomore at Hershey High School in Hershey, Pennsylvania, and the word “ambitious” doesn’t even begin to describe this energetic young student. In addition to being involved in the school’s cross country and track programs and a variety of leadership and educational clubs, Michael is also well-versed in the methods of scientific