3.7 Electrical CharacteristicsThis section defines the USB Type-C raw cable, connector, and cable assembly electricalrequirements, including signal integrity, shielding effectiveness, and DC requirements.Chapter 4 defines additional requirements regarding functional signal definition,host/device discovery and configuration, and power delivery.Unless otherwise specified, all measurements are made at a temperature of 15° to 35° C, arelative humidity of 25% to 85%, and an atmospheric pressure of 86 to 106 kPa and all S -parameters are normalized with an 85 Ω differential impedance .