Useful? Cheap Spectrum Analyzer LTDZ 35-4400M


Spectrum Analyzers are very useful if you work with radios. Unfortunately, they are very expensive. Until recently, when I saw this small device for around 50$. Unbelievable. But is it any good?

In this video, we will:
- See, what such a spectrum analyzer does and how it works
- Have a close look at this cheap device and compare its readings with a more expensive one
- See the difference between spectrum analyzers (SSA3032X), Vector Network analyzers (N1201SA), and SDR radios

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Spectrum Analyzer LTDZ: or or
SMA Attenuators:
Vector Network Analyzer N1201SA:
Different LTDZ sites:,,,
SSA3032X Teardown:
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SDR video:
Transistor Tester video:
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Useful? Cheap Spectrum Analyzer LTDZ 35-4400M Useful? Cheap Spectrum Analyzer LTDZ 35-4400M Reviewed by Anonymous on February 23, 2020 Rating: 5