This
TP-LINK wireless device must be installed by a certified professional.
Properly installed shielded Ethernet cable and earth grounding must be
used in compliance with this product's warranty. Installers must abide
by European rules and regulations in terms of legal frequency channels,
output power, and Dynamic Frequency Selection (DFS) requirements. The
End User accepts responsibility for maintaining the product in
accordance with these rules and regulations. For further information,
please visit www.tp-link.com.