Signstek Series of Digital Storage Oscilloscope easily suffice common electronic engineering tasks. It's based on ARM cortex M3 (STM32VCT6), providing 72Mhz analog bandwidth with integrated FPGA and high speed ADC. Internal 8MB USB disk could be used to store waveform, user application and upgrade firmware. This is the newest version with the software upgraded to lib 2.25 app2.6

DSO 201 is a pocket size digital storage oscilloscope fulfills basic electronic engineering requirements. It is based on ARMCortexTM-M3 compatible 32 bit platform, equipped with 320*240 color display, SD card capability, USB connection, and chargeable batteries.

DSO202 is a pocket size digital storage oscilloscope fulfills basic electronic engineering requirements. It is has a dual trace three lines, new kind of system interface, capacitive convenient operation. You can easily operate it with the gestures of one-click, double-click, press and slide. The Aluminum shell is very fashionable. It is equipped with 320*240 color display, 8M Memory Card (U Disk), and chargeable Lithium batteries. The thickness is 11mm only! The volume is small enough to take it anywhere. It can meet the demands in many fields, such as, school experiment, electronic repairing and electric engineering.

DSO203/Quad is a pocket size 4 channel digital oscilloscope for common electronic engineering tasks. It's based on ARM cortex M3 (STM32VCT6), providing 72Mhz analog bandwidth with integrated FPGA and high speed ADC. Internal 2MB USB disk could be used to store waveform, user application and upgrade firmware.

DS211 is an update style of DSO201, a pocket size digital storage oscilloscope fulfills basic electronic engineering requirements. It is equipped with 320*240 color display, Weighs only 65g! Portable Digital Oscilloscope DIY Kit provides waveform viewing, pocket size and over 2 hours battery operation.