Rigol DS1074Z Digital Oscilloscopes - Bandwidth: 70 Mhz, Channels: 4, Sampling Rate: 1 GS/S 70 MHz Digital Oscilloscope with 4 channels plus 12 Mpt memory and 1 GSa/sec sampling 4 Channels, 70 MHz Bandwidth UltraVision: Deeper memory(Std.12Mpts,Opt.24Mpts) UltraVision: Up to 30,000 wfms/s Waveform capture rate UltraVision: Multi-Level intensity grading display