The Tektronix R5110 Low Frequency Oscilloscope can be found in use throughout the industry because of its dependability, affordability, and the wide range of available plug-ins. This is a single-beam unit accepts up to three type 5000-Series plug-ins, providing cost-effective versatility. Bandwidth is DC to 2 MHz. Large 6.5 inch diagonal CRT. Rack mount version of 5110. Plug-ins sold separately.