This RJ45 coiled cable by Delock can be used to connect various network devices.

Coiled Cable
The coiled cable enables flexible data transfer, is easy to store and unlike conventional cables, takes up less space. It also has a high restoring force and can be extended to three times its original length.

Specification:
• Connectors:
  1 x RJ45 plug
  1 x RJ45 plug
• Cat.5e specification
• Unshielded
• Flexible
• Coiled length:
  min.: 1500 mm
  max.: 4500 mm
• Expansion ratio: 3:1
• Cable gauge: 28 AWG
• Cable diameter: ca. 5.0 mm
• Cable jacket material: TPU
• Colour: black
• Length: ca. 5 m

Package content:
• RJ45 coiled cable

Data sheet:
https://www.delock.de/produkt/88019/pdf.html?sprache=en