With its fine tuned RF design, EUB9603H is capable of delivering up to 33dBm (2000mW) EIRP. It is fully backward compatible with 802.11b/g standard and support Pre-N technology. It also features wide range of wireless security encryptions like WEP 64/128, WPA, and WPA2 with TKIP and AES capable. The unique and advanced external antenna design guarantees superior receive sensitivity and best transmit power when compare to other traditional printed antennas. Detachable antenna allows users to upgrade with optional antenna for higher gain and extended coverage. EUB9603H USB Adapter Features: High Power USB Adapter, Wireless N 150Mbps Speed - Speed 3X Faster Than Standard 802.11g - Ideal for Large File Transfer Applications, High 600mW Wireless Power - Ensures Robust Signal to Overcome Long Distances - Offers Superior WiFi Coverage, High Gain Detachable Antenna Design - Ideal for Better Antenna Position to Reduce Interference - 5dBi Antenna for Wireless Power up to 2000mW EIRP, Intelligent quality of Service (QOS) technology, Box Includes, 1 X USB Adapter (EUB9603H), 1 QIG, 1 X CD-ROM w/ User s Manual Included"