Dual Band Nano 11AC Wi-Fi USB Adapter

This dual band Wi-Fi adapter supports 2.4GHz and 5.8GHz frequencies with speeds up to 150+433Mbps. It's compatible with Windows, Mac OS X, and Ubuntu Linux. Dimensions are approximately 2 cm x 1.5 cm x 0.7 cm or 0.8" x 0.6" x 0.3".