NooElec NESDR XTR+ Tiny Extended-Range TCXO-Based RTL-SDR & DVB-T USB Stick (RTL2832U + E4000) w/Antenna and Remote Control Ultra-accurate 0.5PPM TCXO clock for rock-solid tuning Custom design with dual ESD protection on antenna input Genuine & verified E4000 tuner IC for a receiving range to 2300MHz+ Small & light; fantastic for portable applications Full 2 year warranty against manufacturers defects