TP-Link TL-WPA4220KIT Driver and Firmware Downloads
TL WPA4220 KIT (UK) V1.2 Quick Installation Guide
TP-Link TL-WPA4220 V1.20 300Mbps AV600 WiFi Powerline Range Extender Adapter UK | eBay
Download for TL-WPA4220 V1.20 | TP-Link United Kingdom
TP-Link AV600 Powerline WiFi Extender - N300 WiFi, Add-on Single Adapter, Ethernet over Powerline, Plug & Play, Compatible with all TP-Link powerline adapters with different speed (TL-WPA4220) - Newegg.com