The world's smallest usb wifi adaptor complies with wireless 802.11B/g/n standards with data rate up to 150mbps. It is indeed a mini usb wifi wireless n lan 802.11N/g 150mbps adapter. It supports 20 mhz/40 mhz frequency width. Quite interestingly, it auto-detects and changes network transmission rate. It provides two work modes; infrastructure and ad-hoc. It supports mic, iv expansion, shared key authentication, ieee 802.1X. It is seamlessly compatible with 802.11B/g/n devices. This adapter also supports windows xp/ vista/ win 2000 / win 7/ win 8 / linux, mac operating systems. Being a green power saving, it supports smart transmit power control and auto-idle state adjustment. Additionally, this adapter also supports 64/128-bit wep and complies with 128 bit wpa standard (tkip/aes).