1, The new addition of a USB wire is to connect a computer (desktop, laptop)for power,no need extra power adapter. 
2, It can be used for any wireless network product, such as wireless router, IP camera

Serves as a wireless bridge for devices to provide internet access
Can operate with any Ethernet-enabled devices
Compatible with Microsoft Windows 7, Vista, XP, Linux, or MAC OS operating systems, does not support MAC address filtering

Transmission distance Indoor:30m
Does not support MAC address filtering

Color:Blue
1 10/100 base Ethernet cable header
1 DC-2.0 female power port for power in
1 DC-2.0 male power port for power out
Input Voltage:DC5V-15V
Power Consumption:Less than 1.5W
Transmission distance Indoor:30m

Support any VoIP ATAs and VoIP Phones
Support Widi model: AP Client
IEEE 802.11G/b compliant
Support WEP (64 bit), WEP (128 bit)
WPA, WPA2 Security Access
Support SSID Broadcast

1 * WiFi Dongle Bridge
1 # software CD