rtl sdr
NooElec NESDR Smart v4 SDR - Premium RTL-SDR w / Aluminium محصور ، 0.5PPM TCXO ، ورودی SMA. RTL2832U Nooelec NESDR Smart v4 SDR - Premium RTL-SDR w/Aluminum Enclosure, 0.5PPM TCXO, SMA Input. RTL2832U & R820T2-Based Software Defined Radio