MR45 and MR55 don't have exterior antennas. The new Wi-Fi 6 standard does permit as many as a optimum 4x boost in speeds on the cell boundary. Meraki does plan to Construct Wi-Fi 6 APs with external antennas, but as of April 29th, 2019 we have not declared everything to the public. The Meraki MR45 and MR55 merchandise strains give Fantastic wi-fi