Note: This 802.11n card requires RouterOS version 4.03beta or newer and a key update (requires an internet connection) before it will be found in your RouterBoard miniPCI card slot. Instructions are on the MikroTik wiki in the 802.11n Setup Guide.
The R2n works on 2.192-2.539GHz frequency range and supports Turbo mode for faster transfers. The card performs best when coupled with the MikroTik RouterOS. This product is optimized to work with MikroTik Nstreme protocol to reach extra long distances at a great speed. The Nstreme protocol is MikroTik proprietary wireless protocol created to overcome speed and distance limitations of IEEE 802.11 standards and to extend point-to-point and point-to-multi point wireless link performance.
Specifications of R2n:
Chipset: Atheros AR9223
Media Access: CSMA/CA with ACK architecture 32-bit MAC
Security: Hardware based 64/128 bit WEP, TKIP, and AES-CCM encryption WPA, WPA2, 802.1x