KEYSIGHT's N9913A-308 option 308 allows the phase shift and electrical length of a device to be measured. You can view the results on the large display as far as 10 ft or 3 m away. VVM also provides ratio measurements of magnitude and phase of two channels, A/B and B/A. You can use this capability to verify the magnitude and phase differences between multiple signal paths such as in a phased-array antenna system.This…KEYSIGHT's N9913A-308 option 308 allows the phase shift and electrical length of a device to be measured. You can view the results on the large display as far as 10 ft or 3 m away. VVM also provides ratio measurements of magnitude and phase of two channels, A/B and B/A. You can use this capability to verify the magnitude and phase differences between multiple signal paths such as in a phased-array antenna system.This factory-installed option is for quoting purposes only. Only available with the purchase of a new main unit. Please contact a Tessco representative for a customized SKU. Read More