... .500mhz real sample rate. 3.2 Channels +1EXT 200MHz 2CH digital oscilloscope: Features and advantages: 1. Up to 200MHz Bandwidth 500MSa ... : USB Device, USB Host, RS-232, Pass/Fail8. Unique digital filter and data recorder function9. Embedded 12 languages, online help, one key ... source seamless connection, form signal collection, produce integration system 200MHz Digital Oscilloscope SDS1202DL