Features: 1.This network card supports 3 streams, 450Mbps 802.11N wireless data transmission rate. 2.Allows users to get the maximum coverage of 802.11b (covering 12 times the speed and 5 times the coverage). 3.Compatible with standard WMM (Wi?Fi Multimedia), can better transmit data in real time, such as video, music, etc. 4.This adapter can be used normally on the 2.4 GHz frequency band of most wireless networks. 5.When used with a dual-band router, the 5 GHz band can be used for non-congested and ultra-high-speed transmission. specification:Item Type: USB Network Card Model: EW-7733 Product Type: Wifi receiver Standard: IEEE 802.11 a/n; compatible with 802.11b/g. Security: 64/128 bit WEP encryption and security, WPA-PSK, WPA2-PSK, IEEE 802.1x and encrypted WPS hardware. Port: 1 x USB 2.0 typeA. Wireless Data: Up to 450 Mbps in the 2.4 and 5 GHz bands Modulation: OFDM: BPSK, QPSK, 16-QAM, 64-QAM, DSSS. Frequency Band: 2.412~2.462 GHz; 5.150-5.825 GHz. Antenna: 2 groups of internal antennas, 3 chips in each group, used for 2.4 and 5 GHz antennas, with flip-up function. Temperature: 0-40 (32-104) Humidity: 95% (maximum) condensation. Channel: (FCC) 2.4 GHz: 1~11; 5 Hz: 36,40,44,48,52,56,60,64,100,104,108,112,116,136,140,149,153,161,165. Power Input: USB port (automatic power supply) System: For win2000 / XP / Vista / Win7/OS X 10.4 +/Linux. How to Use: 1. Connect the WIFI receiver to the USB port of the computer and wait for the system to recognize the receiver; 2. Install the driver; 3. After the wireless receiver driver is installed, you can see a wireless WIFI icon in the tray area at the lower right corner of the computer, click on it to search for wireless networks like a laptop, and then find your own wireless network and enter the password to connect to the network. PackageList:1 x USB Network Card