NooElec NESDR Nano, Yellow: Tiny USB RTL-SDR & ADS-B Receiver Set w/ RTL2832U & R820T Tuner, MCX Input. Low-Cost Software Defined Radio Compatible with Many SDR Software Packages. ESD-Safe Antenna Input, Guaranteed NooElec NESDR Nano R820T-based SDR Tiny software defined radio, perfect for portable SDR applications RTL2832U & R820T for maximum compatibility with RTL-SDR software like Matlab Frequency capability of approximately 25MHz-1750MHz+ Full warranty and support services