Amazon.com: PC Based USB USBXI Digital Oscilloscope 48MSa/s 20Mhz Bandwidth 2Channel : Industrial & Scientific
Amazon.com: Oscilloscope 3 in 1 PC USB Oscilloscope 20MHz 2 Channels USB Storage Oscilloscope +Signal Generator+Spectrum Analyzer+Data Recorde(ISDS205A) : Industrial & Scientific
Loto USB Oscilloscope OSC482M for Both Android Phone/Tablet & Windows PC, 2 Channels, 50M S/s, 20MHz (Bandwidth), 8~13 bit Vertical Resolution: Amazon.com: Industrial & Scientific
FNIRSI ADS1014D Dual Channel Digital Storage USB Oscilloscope with Function Signal Generator 100MHz 1GSa/s 240Kb, 7"LCD: Amazon.com: Industrial & Scientific