TDS2002B Digital Storage Oscilloscope 60 MHz bandwidth TDS2004B Digital Storage Oscilloscope- 4 channels TDS2012B Digital Storage Oscilloscope with 2 channels TDS2014B Digital Storage Oscilloscope- 100 MHz bandwidth TDS2022B Digital Storage Oscilloscope with 2.0 GS/s sample rate TDS2024B Digital Storage Oscilloscope with 2.5 K record length RM2000B Tektronix RM2000B Rackmount Kit