Up to 350 MHz analog bandwidth with 1 GaSa/s sample rate streamed to a PC at 1 Gb/s. //

ThunderScope comes in an unassuming box that is just large enough to house 4 BNC connectors, a compensation output, four fully-functional front-end stages, an ADC, and an Artix-7 FPGA to capture the data and transfer it to the PC.

https://www.crowdsupply.com/eevengers/thunderscope