Features:
Small Size & Portable.
Adopts new miniature design, exquisite and compact, not occupying space, for more convenient using and carrying.
Excellent Performance.
Built-in antenna is specially designed, effectively improving the signal receiving ability, and enhancing the stability of wireless signal.
Fast Transmission Rate. 
Adopts 11N technology to deliver 150M wireless transmission rate, and more efficient and faster data transmission in LAN. The CCA, MIMO technology adopted help to avoid electromagnetic interference intelligently, and supports WEP, WPA, WPA2 network encryption technology, more security.
Wide Compatibility.
Widely compatible for Windows7/8/8.1/10/Linux, Android and other OS, for more convenience.
AP Function.
In case of no wireless router/AP, just plug W4 into the PC, and sets simulation AP, allowing you to extend the network into WiFi by the devices.
Network Card Function.
Plug W4 into the PC USB, and install the driver, connecting to the router, to enable wireless internet access on the desktop PC.
 
Specification:
Brand: ZAPO
Model: W4
Standards: IEE 802.11n/g/b
Interface: USB 2.0
Security: 64/128bit, WEP Encryption, WPA/WPA2 and WPA-PSK/WPA2-PSK encryptions, WiFi Protected Setup(WPS)
Operating Frequency Range: 2.4-2.4835GHz
Transmission Rate: 
11b: 1/2/5.5/11M (Adaptive)
11g: 6/9/12/18/24/36/48/54Mbps (Adaptive)
11n: Up to 150M
Working Channel: 13
LED Status: Link Status Activity
Supported OS: For Android/Vista/Win7/Win8/Win10/Linux
Item Size: 1.8 * 1.4 * 0.5cm / 0.7 * 0.55 * 0.2inches
Item Weight: 2g / 0.07oz
Package Size: 12.6 * 10 * 2cm / 4.96 * 3.9 * 0.8inches
Package Weight: 25g / 0.9oz
 
Package Included:
1 * Network Card
1 * Driver CD