The M15 is a mini USB WiFi adapter that supports the IEEE 802.11n, 802.11g, and 802.11b wireless standards. It has a maximum transfer rate of 150Mbps and supports security protocols like WEP, WPA, and WPA2. Measuring 18.3*40.5*4.9mm, the M15 uses an internal omni-directional antenna and connects to devices via a USB 2.0 interface.