GW-Instek-GDS-3504-500MHz-4CH-Digital-Storage-Oscilloscope-GW-Instek-GDS-3504-P-The-GW-Instek-GDS-3504-500MHz-4-Channel-Digital-Storage-Oscilloscope-is-a-new-platform-of-4-input-channels-500MHz-bandwidth-5GSa-s-sampling-rate-and-VPO-waveform-display-The-split-screen-feature-has-been-designed-to-meet-the-requirements-of-multi-window-and-multi-signal-tests-in-the-research-and-the-manufacturing-fields-The-optional-power-analysis-software-and-the-optional-serial-bus-analysis-software-are