USB2.0 RTL SDR 0.5 PPM TCXO RTL2832U R860 TV Tuner Stick AM FM NFM DSB LSB SW Software Defined Radio SDR TV Scanner Receiver. This is a new generation of software defined radio receiver RTL SDR with RTL2832 ADC chip, 0.5 PPM TCXO, SMA F connector and passively cooled aluminum housing.