TinySA Spectrum Analyzer Handheld,2.8inch Touchscreen 100KHz-960MHz Portable Frequency Analyzer MF/HF/VHF UHF Input | ESD Protected Function & PC Control | As a Signal Generator

Seems to work well during the tests I have done so far. Followed all of the links I found on the web to test for a genuine product and could not find anything to indicate it was fake.

Well I definitely made a wise and valuable decision buying this. This is exactly what I've been needing and it does everything I need it to do. Easy to understand and use and definitely a necessity. I did a self test and it was accurate and great results, checking frequencies was accurate as well.

It takes some working with it and pressing random buttons till it’s at the correct settings some times, but it works pretty well once in those settings. I’m a noob, but was able to use it to test a few electronics that were supposed to be receiving and sending back signals. So it wasn’t horrible and it displayed most of was expected.

You have to be a fan of Skinwalker Ranch wanted to appreciate this item!! lol!!!

great for hobby radio enthusiast

Got this as a Christmas gift; Professional package and everything looks good. Looking forward to testing it out in the next week

Used for testing ham gear.

I am by no means an expert, but I dabble in hobby electronics - mostly digital stuff like LED, arduino, RasPi, etc. Analog is beyond the "scope" of my expertise (sorry). When I saw this product I was intrigued, as I already own a Rigol oscilloscope, a couple of bench power supplies, and an inexpensive function generator. I thought a spectrum analyzer would be an helpful tool for future use. Before ordering, I did some research on the tinySA (tinysa.org is a great source for lots of detailed info, and there are MANY informative youtube videos out there showing it in action). I saw that there are some poor performing clones out there, and this gave me pause, but I gave it a shot. Upon arrival, I unboxed it and immediately plugged in the included telescopic antenna. I could immediately see peaks in the broacast FM band (88-108MHz). I then proceeded to download the latest firmware and updated it to the latest version. Apparently firmware of the clone devices is patched to cover up some of its operational issues, but the firmware applied without minimal issue (more on this later), and after a self test (which fully passed - always a good sign), and calibration of the levels, it was back up and running. I even reached out to one of the developers via a forum and they confirmed that it appeared to be a legitimate product. One important thing to keep in mind is that this device can't handle higher power signals than 10dBm without risking damage to the device. For this reason I supplemented my kit with a couple of 30dB attenuators, and a package of BNC-SMA adapters. I wanted to try connecting it to my signal generator, but upon inspection of the output of my generator, it tends to have a slight DC offset, which gave me pause. I don't have any kind of DC block that I can use, so I chose not to try that. The tinySA comes with a guitar pick to use as a tool to interact with the resistive touch screen, and it works, but is a bit clunky. I found an old plastic stylus that came with a hobbyist touchscreen and repurposed it to put in my storage case (custom 3D printed) and I find it much easier to use than the guitar pick. Another nice benefit of this device is its built in signal generator (which can do sine wave output from 0.1 - 350MHz and square wave output from 240-960MHz). I did connect this to my oscilloscope to check it out, and it looked good. My scope is only good for 50MHz (100MHz with a "hack"), so I couldn't inspect the square wave output. Overall, I see this as a device to help in my ongoing exploration and learning in the world of electronics. Watching all the amateur radio videos on youtube kind of makes me want to look into that world further, too. It's interesting stuff!