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The Hanmatek DOS1104 is a budget 4-channel oscilloscope with 110 MHz bandwidth, up to 1 GSa/s sampling, and a 7″ 800×480 display. It supports stable triggering, FFT, math functions, and USB export. Known for strong value and low noise, it suits R&D, embedded debugging, and power electronics.

The Hanmatek DOS1102 is a budget oscilloscope with 110 MHz bandwidth and 1 GSa/s sampling. Its 7-inch 800×480 display, stable triggering, low noise make it great for Arduino, Raspberry Pi, and DIY electronics. Priced $150–250, it offers good value, though memory depth is limited.