RTL-SDR is a cheap software defined radio that uses a DVB-T TV tuner dongle based on the RTL2832U chipset and R820T2 tuner.
Nano Stratux low power V2 for RTL-SDR & ADS-B
Wedinard RTL SDR USB Tuner Receiver, UV Tuner Receiver Dual SMA
FLAWISH RTL2832U+R820T2 100KHz-1.7GHz UHF VHF HF RTL.SDR USB Tuner
Ubersweet® 100KHz-1.7GHz UV HF RTL-SDR USB Tuner Receiver + U/V
Wedinard Full Band Receiver, Electric Component 100KHz‑1.7GHz RTL
Ubersweet® RTL2832U+R820T2 100KHz-1.7GHz UHF VHF HF RTL.SDR USB
RTL-SDR Blog R820T2 RTL2832U 1PPM TCXO SMA Software Defined Radio
R820T2 RTL2832U TCXO SMA Software Defined Radio USB Dongle For RTL
GetUSCart- 0.1MHz-1.7GHz SDR USB Tuner Receiver, RTL-SDR w
RTL SDR USB Receiver, RTL2832U R820T21 UHF UV HF SMA Connector
100KHz-1.7GHz Full Band HF RTL-SDR USB Tuner Receiver/ R820T+8232
RTL SDR USB Receiver, Electronic Component Full Band Receiver
RTL-SDR BLOG V3 USB Dongle with Dipole Antenna Kit - WRL-22957
100KHz-1.7GHz Full Band HF RTL-SDR USB Tuner Receiver/ R820T+8232
