Uploaded June 2023 | Updated September 2026, 2 weeks ago

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In this video, I did a review and teardown of a tinySA Ultra+ ZS407 spectrum analyzer and compared its performance with a ZS405. Product link: https://ban.ggood.vip/15FmJ Coupon: BG9adfaf

Teardown pictures: kerrywong.com/2023/06/16/tinysa-ultra-teardown-pictures

tinySA Ultra+ ZS-407 Review/Teardown: youtu.be/ULzwhA9_9LI
tinySA Ultra+ ZS-407 Teardown Pictures: kerrywong.com/2025/06/14/tinysa-ultra-zs-407-teardown-pictures-compared-with-the-zs-405

tinysa.org/wiki
tinysa.org/wiki/pmwiki.php?n=TinySA4.Comparison

00:00 Overview, specs comparison between the ZS405 and ZS407
03:05 Power on, default frequency band/ultra mode
05:06 Lower frequency band calibration
06:16 100MHz, signal purity, verified with HP8566B
09:03 100MHz AM/FM
10:20 Frequency sweep
12:18 FM demodulation, broadcast band, waterfall display
15:09 880 MHz AM/FM
15:58 ZS405, ZS407 side by side, 780 MHz AM/FM on both SAs
19:12 2GHz AM/FM
24:18 6 GHz to 12 GHz on ZS405 and ZS407
28:30 Noise floor
30:48 ZS407 RF synthesizer, frequency range, AM/FM, sweep, limitations
36:35 Teardown, conclusions