Why Do I Need A Wireless Network Adapter?
A wireless adapter is essential for a high-quality Internet connection. Many netbooks and laptops feature a built-in WiFi adapter. However， desktop computers typically require an external adapter， since most do not include internal wireless adapters. COMFAST manufactures advanced wireless network adapters for handheld devices， desktop computers and laptops and netbooks to allow easier access to the Internet. Our wireless network adapters are designed to offer the best connections available.

Specifications:
1.CE，FCC，ISO
2，High power Radar multifunction+1.2m wire
3，Fast delivery and best service
4，Good quality and reasonable price

CF-WU770N
Chipset
RALINK3070L
Standard
IEEE 802.11g，IEEE 802.11b，CSMA/CA with ACK.used with IEEE 802.11n (draft 2.0)
wireless technology
Interface
USB 2.0
Frequency
2.4~2.4835GHz
Wireless Speed
11n: the highest data rate can reach to 150Mbps
11g: 6/9/12/18/24/36/48/54Mbps (Dynamic)
11b: 1/2/5.5/11Mbps (Dynamic)
Working channel
1~13
Data Modulation
11b: CCK，DQPSK，DBPSK
11g: OFDM
11n: OFDM with PSK，BPSK，16-QAM，64-QAM
RF power
20dBm(Maximum)
RF gain
10dBi Internal antenna
Encryption
64/128/152 digit WEP encryption，WPA/WPA-PSK，WPA2/WPA2-PSK Encryption
LED indicator
Link/Activity
Working environment
Working temperature: 0 to 40 Celsius
Storage temperature: -40 to 70 Celsius
Working Humidity: 10% to 90%RH (non-condensing)
Storage Humidity: 5% to 90%RH (non-condensing)
Operation system
Windows 2000/XP/Vista/WIN 7/LINUX/Mac etc.
Range
Indoors: 1000-2000 m (Theoretical Value)
Outdoors: 2000-3000 m (Theoretical Value)

Package contents:
with retail box
1*wireless adapter
1*usb cable
1*CD driver
1*user manual
1*warrany card