D-Link announced the launch quadband DIR-855 N wireless router and related USB adapter. , Directional at the digital home - and all the bandwidth requirements that come with it - DIR-855 can support simultaneous transmission of both 802.11n true 2.4GHz and 5GHz channels simultaneously, which means that it can support multiple wireless devices with up to 600Mbps available bandwidth. D-Link is pushing 5GHz-band radio as a wireless future.

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They say that radio frequency is broader and less crowded (23 channels, compared with three) than the 2.4GHz frequency used by most wireless devices.The new D-Link Wireless Router has N D-Link in StreamEngine quality of service (QoS) technology, which automatically prioritises high-capacity bandwidth wireless data transmission, such as HD video, online gaming and VoIP calls. DIR-855 is optimised to work with DWA-160 Wireless Adapter USB N. Duet technology in the DWA-160 supports chosen in two (2.4GHz or 5GHz) wireless signals.