CN0296X Features Built-in 12dBi gain directional antenna Flexible and adjustable signal receiving location Features wireless receiving function Widens family wireless coverage Supports soft AP emitter and WiFi emitting function Powerful hardware equipment Convenient 3 meter USB extended data line General Specs Brand & Model COMFAST CF-WU670N  Chipset RALINK3070L Wireless Standards  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 Response 2.4GHz-2.4835GHz Wireless Speed 11n: Up to 150Mbps 11g: Up to 54Mbps (Dynamic) 11b: Up to 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 Up to 20dBm Antenna Built-in 12dBi antennas Encryption 64/128/152 digit WEP， WPA/WPA-PSK， WPA2/WPA2-PSK Encryption LED Indicator Link/Activity Supported Operating System Windows 2000/XP/Vista/WIN 7/Linux/Mac Operating Temperature 0°C-40°C Humidity 10%-90% (non condensation) Range Indoors:  1000-2000 m (Theoretical Value) Outdoors: 2000-3000 m (Theoretical Value)