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Enthusiast

Four Spatial streams capable Access Points in Cisco?

Hello Experts, 

 

Off late, I could not find any 4 spatial stream capable Access Points in Cisco. Has been going through the datasheets of flagship models in Outdoors (1572EAC) and Indoor (3800E). These are 4 Rx & 4 Tx but with 3 spatial streams.

What is the 4th Tx Rx Antenna in 4*4 is used for in these AP models as its not been for facilitating the 4th spatial stream?

 

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VIP Mentor

Not from the classical AP-line, but at least from Cisco and 4-stream: https://meraki.cisco.com/products/wireless/mr53

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Thanks Karsten,

I am wondering what the fourth Tx Rx Antenna on 1572AP facilitates for?

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To my understanding (hopefully the Wireless Pros will correct or add to that), it's used for beamforming as it needs one more antenna then spatial streams.