10 pcs LM2596 DC-DC Buck Converter Step Down Module Power Supply Output 1.23V-30V $14.95 B008BHBEE0
Nooelec NESDR Mini USB RTL-SDR & ADS-B Receiver Set, RTL2832U & R820T Tuner, MCX Input. Low-Cost Software Defined Radio Compatible with Many SDR Software Packages. R820T Tuner & ESD-Safe Antenna Input $27.95 B009U7WZCA
Nooelec NESDR Mini 2+ 0.5PPM TCXO RTL-SDR & ADS-B USB Receiver Set w/Antenna, Suction Mount, Female SMA Adapter & Remote Control, RTL2832U & R820T2 Tuner. Low-Cost Software Defined Radio. $59.95 B00VZ1AWQA
NooElec NESDR XTR+ Tiny Extended-Range TCXO-Based RTL-SDR & DVB-T USB Stick (RTL2832U + E4000) w/Antenna and Remote Control $79.95 B014OH57S4
NooElec NESDR Nano 2+ Tiny Black RTL-SDR USB Set (RTL2832U + R820T2) with Ultra-Low Phase Noise 0.5PPM TCXO, MCX Antenna & Remote Control; Software Defined Radio, DVB-T and ADS-B Compatible, ESD Safe $22.95 B01B4L48QU