The original model name used by USB-IF: USB2SIGQUAL

The USB High Speed Signal Quality Test Fixture Set contains two types of test fixtures: 

1. USB-A HS Device SQ Fixture (Model Name: USB-TF-HS-Device-V21) 
2. USB-A HS Host SQ Fixture (Model Name: USB-TF-HS-Host-V20)

Approved by USB-IF, this text fixture set is designed for electrical testing on USB-A devices and USB-A hosts.