Systems for telecommunications testing consist of the following components:

• Advanced Communication Quality Analysis System (ACQUA)
• Measurement Front Ends (MFE II, III, IV and VI)
• Head And Torso Simulators (HMS II.3, HMS II.4, HMS II.5,HMS II.6 with Pinna Types 3.3 and 3.4)
• HEAD Noise Generator (HNG)
• HEAD Quality Monitor (H-QMON)