RTL-SDR is a cheap software defined radio that uses a DVB-T TV tuner dongle based on the RTL2832U chipset and R820T2 tuner.
19 RTL-SDR Dongles Reviewed
Using a RTL SDR Dongle to receive pictures from the ISS
RTL-SDR USB SDR Receiver
Includes 1x RTL-SDR Blog brand R860 RTL2832U 1PPM TCXO HF Bias Tee SMA Dongle (V3) (Dongle Only) Several improvements over other brands including use
RTL-SDR Blog V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black)
19 RTL-SDR Dongles Reviewed
RTL SDR USB Receiver RTL2832U , UV Receiver Full Band Receiver
RTL SDR USB Receiver RTL2832U , UV Receiver Full Band Receiver
RTL-SDR Blog V.3. Dongles User Guide
820T For RTL SDR Receiver USB Tuner 100KHz-1.7GHz UV HF RTL2832U +
Nooelec - Nooelec NESDR Nano 2: Tiny RTL-SDR USB Set w/ R820T2
Best RTL SDR receiver with Chip Realtek RTL2832U Rafael micro