The Advantest R3767CH is a 40 MHz to 8.0 GHz Vector Network Analyzer. The R3767CH display parameters are S11, S12, S21, S22, S11 & S21, and S22 & S12. Display formats can be rectangular, polar, or smith chart. The R3767CH features a built-in S-parameter test set, color LCD display, and a fast measurement time with 100 dB of dynamic range. The R3767CH contains both IEEE-488, RS-232, and parallel port interfaces. A 3.5 in. floppy disk drive is standard. Option 10 adds a 0-70 dB step attenuator to both ports. Option 11adds an 8 GHz amplifier.