ats4dATS CM4D helps manufacturers to gain real value from their dimensional data, gathered from all sources, in all formats. Whether you’re comparing your product to the orinal desn, findingATS4D Specifications: Attenuator Type: Variable ; Frequency: 2 to 4 GHz ; Insertion Loss: 2.9 dB ; VSWR: 1.6 1 ; Attenuation: 60 dB ; Package Type: CASE AT Applications. EW Systems