... sample rate 3.2channle, color display 4.with USB interface MCH USB Oscilloscope, DS-2025CA Digital Oscilloscope, 25MHz freq. ,dual channelSpecifications: ... , hamming, Blackman-harris, rectangylarSample points1024pointsX-YBandwidth25MHzPhase diff±3 degreesDisplayA/CA: mono/color,320×240 resolutionPower supplyWorldwide ... prior notice. 25Mhz DS-2025CA USB digital Oscilloscope dual channel 25MHz freq.,