USB standards have strict physical signal limits. USB 2.0 has a maximum recommended length of 5 meters, while USB 3.0/3.2 is restricted to 2-3 meters. Exceeding these limits causes touch lag, disconnects, or device recognition failure.
Technical Specifications:
| USB Version | Data Rate | Max Recommended Length | Typical Usage |
| USB 2.0 | 480 Mbps | 5 Meters (16 ft) | Standard Touch Signal / HID |
| USB 3.0 / 3.1 | 5 Gbps+ | 2 - 3 Meters (6-10 ft) | High-speed Data / 4K Cameras |