Ricevitore sintonizzatore USB 100 KHz-1,7 GHz full band UV HF RTL.SDR + antenna lunga balun 9:1
1x long-antenna balun 9:1. WHAT IS SOFTWARE DEFINED RADIO (SDR)?. 1 x 100KHz-1.7GHz full band UV HF RTL-SDR USB Tuner Receiver/ R820T+8232 Ham Radio. Using rtl-sdr on your Android device as a portable radio scanner.