... ,50GS/s equivalent 3.w/USB interface MCH Digital Oscilloscope,DS-2040CA Digital Oscilloscope,dual channel,color dispaly,40Mhz bandwidth.Specifications: SpecificationsDS-2040CAChannels ... 5kg *Specifications are subject to change without prior notice. MCH Digital Oscilloscope,DS-2040CA digital oscilloscope,40Mhz bandwidth,color display,dual channel