Tektronix TDS7054 4-Channel Digital Oscilloscope 500MHz Japan
Model: TDS7054. This is a 500MHz 4-channel digital oscilloscope that runs on Windows XP SP2. Specifications: Frequency: 500MHz, Channels: 4ch, Sampling: 2.5GS/s (4ch), 5GS/s (2ch), 10GS/s (1ch). Manufacturer: Tektronix.