From PC World: As we look forward to CES 2016, D-Link is finally shipping the last of the radical-looking Ultra-series routers it announced at last year’s CES. The 4x4 DIR-885L/R promises to deliver top speeds of 2167Mbps on the 5GHz frequency band and 1000Mbps on the 2.4GHz band.
As with most higher-end 802.11ac routers today, the DIR-885L/R supports beamforming right out of the box. Beamforming enables the router to concentrate its signal in the direction of the client instead of simply broadcasting it everywhere. If the client is also capable of beamforming, the two devices can exchange information about their respective locations to optimize the signal path they use to communicate.
D-Link's press release indicates that the DIR-885L/R supports multi-user MIMO, too, but a footnote explains that a firmware update will be needed first. And after the firmware becomes available, you'll also need a client that supports MU-MIMO to derive any benefit from it. Here is an in-depth explanation multi-user MIMO.
The DIR-885L/R is powered by a 1.4GHz dual-core processor, 128MB of flash memory, and 512MB of DDR3 RAM. It's equipped with USB 3.0 port and one USB 2.0 port, so you can share both a printer and a storage device over your network, and it has a four-port gigabit switch. Its four antennas are removable for upgrades.
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