Software Defined Radio Using A $20 USB TV Dongle

Software Defined Radio
Use a $20 DVB-T TV tuner dongle based on the RTL2832U chipset as a Software Defined Radio (SDR). RTL-SDR is a very cheap $20 USB dongle that can be used as a computer based radio scanner for receiving live radio signals in your area (no internet required). Depending on the particular model it could receive frequencies from 500 kHz up to 1.75 GHz. Most software for the RTL-SDR is also community developed, and provided free of charge.


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