Works great on 1090MHz, number of planes has increased from 1-2 to 11+ (need to move the antenna to a better place for more planes). I can't speak about lower ranges as there is a noise source nearby that is also amplified. But I can't blame this amp for that. Requires above 5V, runs off a regulated Korad 3300 power supply (I don't think that's a source of noise) and works best for me at 8-9V. Above 9.5V hasn't happened yet.
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