Ce Mark Warning - TP-Link TL-POE150S User Manual

2) This device must accept any interference received, including
interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate
the equipment.

CE Mark Warning

This is a class B product. In a domestic environment, this product
may cause radio interference, in which case the user may be
required to take adequate measures.