Hamlet HNW300NU2. Connectivity technology: Wireless, Host interface: USB. Data transfer rate (max): 300 Mbit/s. Modulation: 16-QAM, BPSK), CCK), DQPSK, QPSK, Frequency band: 2.4 - 2.484 GHz. Width: 77 mm, Depth: 23.5 mm, Height: 11 mm. Compatible operating systems: Windows 2000/XP/Vista, Mac OS X 10.3 +