The TL-WN722N from TP-Link is a wireless adapter that’s small enough to fit in your pocket. It can also fit in the palm of your hand. This wireless USB solution weighs just 1.6 ounces. It measures only 3.7 inches by 1.0 inches by 0.4 inches, or 93.5 millimeters by 26 millimeters by 11 millimeters. Power isn’t sacrificed for portability, and these adapters work equally well as fixed-position solutions for the home or office. The interface used is Universal Serial Bus 2.0. This interface is backward-compatible and forward-compatible. That means the product will work just fine with USB 3.0. It will also work with USB 1.0/1.1.This device supports the 32-bit and 64-bit versions of various operating systems. These are Windows XP, Vista, 2000, Windows 7, and Windows 8/8.1. In most cases, your OS will auto-detect the adapter and install any necessary driver or other software. If a firmware update is required, this can be completed online while using this product for the network connection. Thanks to a WPS button, establishing a wireless connection is often as simple as a single button press. TP-Link also provides advanced wireless setup options for users who prefer granular control.The antenna included with this TP-Link adapter is the detachable type. That allows you to upgrade if you require more range or remove it if you don’t need it. The antenna is omnidirectional and has a high gain of 4dBi. The antenna rotates at its base 360 degrees. You can position it parallel or perpendicular to the wireless adapter. A change of a small degree can result in a significant performance difference depending on the environment.Based on IEEE 802.11n technology, the TL-WN722N connects via B/G/N Wi-Fi. It can achieve a networking throughput of up to 150 Mbps in N mode. A 150 Mbps connection is often strong enough for video streaming and large file transfers. In G and B mode, it can achieve up to 54 and 11 Mbps, respectively. Even these lower speeds are fast enough for most activities on the Internet or a LAN. It operates at a 2.4000-2.4835 GHz, which is the standard networking frequency.Wireless modes supported are the ad-hoc and infrastructure modes. Certifications include CE, FCC, and RoHS. Supported security mechanisms include 64-bit and 128-bit WEP and WPA-PSK/WPA2-PSK. Advanced security options are present, but this TP-Link adapter provides a hands-off experience for the average user. Pushing the WPS button not only establishes and configures access but encrypts it so that your transmissions are protected.In retail packaging, the TP-Link TL-WN722N wireless USB adapter is accompanied by accessories. These accessories include a quick installation guide, a resource CD, and a USB extension cable. The resource CD includes an owner’s manual in digital format. It also has the drivers and other software you need to get started. The extension cable provided is a handy accessory for positioning your wireless TL-WN722N for optimal reception. Since this USB adapter serves as its own base, locating it away from your computer is simple and convenient.