E5071C-008Frequency offset modeE5071C-010Time domain analysisE5071C-017Removable hard disk driveE5071C-019Standard hard disk driveE5071C-1A7Calibration + Uncertainties + GuardbandingE5071C-1CMRack mount kitE5071C-1CNFront handle kitE5071C-1CPRack mount and front handle kitE5071C-1E5High stability timebaseE5071C-2402-port Test Set, 9 kHz to 4.5 GHz without Bias TeesE5071C-2452-port Test Set, 100 kHz to 4.5 GHz with Bias TeesE5071C-2602-port Test Set, 9 kHz to 6.5 GHz without Bias TeesE5071C-2652