NESDR Nano 2+ Tiny Black RTL-SDR USB Set (RTL2832U + R820T2) with Ultra-Low P 

Description: 

Best available SDR for portable Android & IOS applications, remote installations, embedded applications, and anytime a tiny SDR is ideal--less than 1" square! 
Contains RTL2832U interface IC and the new, improved R820T2 tuner! This tuner has improved sensitivity and SNR compared to devices using the R820T. Unmatched price-performance. 
Contains an ultra-low phase noise, 0.5PPM TCXO. Specifications in description below. Bundle includes a free telescopic antenna 
2-year warranty direct from Nooelec! With locations in both the US & Canada, and full technical support services, your investment is a safe and wise one. 
Frequency capability is approximately 25MHz-1750MHz, with no gaps within that range. Expansion to HF, all the way down to 100kHz, is available with the Ham It Up upconverter (sold separately).