Well I got a replacement unit and it also died after a few hours of use. For $40, this usage is rubbish. Out of curiosity, I also bought a HiLetgo 0.1-2000MHz Wideband RF Amplifier, LNA High Gain Low Noise 30dB Amplifier for $11 around the same time I bought this LNA. The crazy thing is that the $11 HiLetgo LNA not only outperforms this expensive one, it also lasts longer! Surprising as it doesn't have a fancy metal body and sits on my desk with SMA cables. All in all, don't waste your money on this and get a HiLetgo LNA with a pair of solderable 9V battery clips.
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