... connect power supply, the whole room is Wi-Fi wireless coverage. Now, you can take out your mobile phone ... other devices that support Wi-Fi, then get Wireless internet at anywhere of the room, no need ... 43mm x 14mm (L x W x H) Wireless RelatedBasic FunctionWireless SwitchSSID Broadcast switchChannel option: 1-14WiFi mode ... option: 802.11n only, 802.11 B/G/n mixed, 802.11 B/G mixed, 802.11Gonly, 802.11B ...