I have 3 SDR keys from NooElec. They all work great and as other reviews have said get very hot. It's just a feature of this type of circuit. These metal cased NooElec SDRs are much more durable than the cheaper plastic dongles that are made for watching DAB TV. Buy a quality antenna and you will get good results from this device. I use mine to decode LAPD traffic and listen to local ham radio repeaters. These dongles do not transmit RF or AM without additional hardware.
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