Tektronix TDS744A 4 Channel Digitizing Oscilloscope has a bandwidth of 500 MHz and a sample rate to 2 GS/s. The maximum record length is 50,000 points per channel. The instrument is fully programmable via GPIB(IEEE 488.2) and has GPIB, RS-232 and Centronics I/O ports. The award winning “InstaVu” delivers the fastest waveform capture rate in the market and also provides the capability to instantaneously capture glitches and infrequent anomalies. “FastFrame” allows you to capture multiple events in a single record.