02-17-2020 09:19 AM - edited 07-05-2021 11:43 AM
Dear Experts,
I tried looking at datasheets but couldnt find this info. Can someone tell me or point me to the document which specify the number of internal antennas for 2800 and 3800 APs?
02-17-2020 10:03 AM
02-21-2020 12:35 AM
Hi,
We can see Figure 5. Picture of the embedded antenna system and 3D antenna heat maps
in Cisco Aironet Series 2800/3800 Access Point Deployment Guide; <https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-3/b_cisco_aironet_series_2800_3800_access_point_deployment_guide/b_cisco_aironet_series_2800_3800_access_point_deployment_guide_chapter_01001.html>.
I understand that AP2800i and AP3800i have 4 antennas of 2.4/5GHz Dual Band for Macro-Cell.
I understand that AP2800i and AP3800i have 4 antennas of 5GHz Band for Micro-Cell.
02-24-2020 09:22 AM
So is it part of standard that number of spatial streams equals number of TX and RX antennas?
02-24-2020 05:50 PM
Hi,
I understand that the IEEE 802.11 standard only specifies the number of spatial streams and that the standard does not specify the number of physical antennas.
02-24-2020 09:28 PM
04-09-2020 05:34 PM
For 11ac device , it was no 8x8 connect , only 4x4 from one ssid and update to 4 layer steams.
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