Zniffer - Z-Wave sniffer This is a Z-Wave sniffer. I needed one since I was using HomeSeer and the Z-Uno and of course when certain things did not work, each "camp" laid blame to the other. This is basically a USB Z-Wave dongle put into promiscuous mode and software to capture packets. This link is a good overview of how to get started: https://labs.bishopfox.com/tech-blog/set-up-zniffer-for-z-wave It tells you what model USB dongle to get, I bought mine from Digikey for about $30, it has the Silicon Labs Z-Wave chip. Scroll to the bottom right of the page: Where you can download what you need: The Z-wave programmer the Z-wave sniffer Next it gives you a link to get the SDK: https://www.silabs.com/development-tools/wireless/z-wave/embedded-development-kit The site is not organized the same anymore... You click on the "explore Z-Wave SDK, then I downloaded the Z-Wave SDK , then a bit further down the same page, there are tools, clicking "more info about tools", you can then get to the controller sdk... then scrolling down you will find a "development tools" that mentions Zniffer into that you find You need to make an account, it is free, I made one under my business, but it does not matter.