Android & PC Virtual Digital USB Oscilloscope Handheld Dual Channel 20MHz/50MHz | eBay
Digital Oscilloscope USB Bluetooth 1MHz Support For Android Mobile Phone PC | eBay
SmartScope USB Scope, Logic Analyzer and Signal Generator | Elektor Magazine
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
Loto USB/PC Oscilloscope OSC2002F, Sampling 1G S/s, BW 50M Hz, 2-Channel ||Scope+Signal Generator+Logic Analyzer+Android Support || 8~13 bit Vertical Resolution || Protocols Decoding, FFT, FIR Filter: Amazon.com: Industrial & Scientific
Android & PC Virtual Digital USB Oscilloscope Handheld Dual Channel 20MHz/50MHz | eBay
Loto PC Oscilloscope + Android Compatible OSCA02M, 2-Channel, 35MHz Bandwidth, 100M S/s Sampling || USB Oscilloscope for Windows and Android|| 8~13 bit Vertical Resolution: Amazon.com: Industrial & Scientific
USB Oscilloscope 50MS/s 20M For Windows Android Phone OSC482F | eBay