Hawking Technologies Wireless-G USB Adapter with Removable Antenna for Mac Users. Connectivity technology: Wireless, Host interface: USB. Data transfer rate (max): 108 Mbit/s. Modulation: 16QAM, QPSK, QPSK. Width: 28 mm, Depth: 89.6 mm, Height: 10 mm. Certification: FCC, CE, IC