Hi,
As you’ve seen success with external MR74/MR84+ directional antennas, the CW9163E offers a similar level of flexibility and robustness. The CW9176D1, on the other hand, is specifically designed to replace this type of setup by integrating a directional antenna into a modern Wi-Fi 7 platform.
If your goal is to modernize and reduce hardware complexity (no external antennas), the CW9176D1 is probably the best option. But if you still need custom antenna patterns or extreme durability, the CW9163E remains a solid choice.
https://documentation.meraki.com/MR/MR_Overview_and_Specifications/CW9176I_%2F%2F_CW9176D1_Datasheet
https://documentation.meraki.com/MR/MR_Overview_and_Specifications/CW9163E_Datasheet
It would also be nice to have a Meraki SE or partner to understand your environment and help define the best design.
I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
Please, if this post was useful, leave your kudos and mark it as solved.