Features
Dual–radio aggregate frame rate of up to 2.98 Gbps*
5 GHz 4x4:4 radio and 2.4 GHz 4x4:4 radio offer a combined dual–radio aggregate frame rate of 2.98 Gbps*, with up to 2,402 Mbps in the 5 GHz band and 574 Mbps in the 2.4 GHz band. Technologies like transmit beamforming and enhanced receive sensitivity allow the MR86 to support a higher client density than typical enterprise-class access points, resulting in better performance for more clients, from each AP.
For more details check the documentation.
https://documentation.meraki.com/MR/MR_Overview_and_Specifications/MR86_Datasheet
I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
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