Siemens says it solved 802.11n power problem

Siemens said it is launching a WLAN system based on 802.11n that can run on normal power over Ethernet--a feat other players have not managed to do. The vendor says it is using two concurrent radios, both running 3 X 3 MIMO with all the features running at 12W.

Other enterprise WiFi vendors say that two 802.11n radios require 15W, which is a higher power requirement than what can be delivered over powered Ethernet. Others have come up with various solutions to deal with the power problem, including using fewer antennas or proprietary power over Ethernet. Siemens doesn't use any of these approaches but won't divulge much about how it accomplished this capability.

To read more about Siemens' claims:
- take a look at this article from TechWeb

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