Don't know anything about this, but other units listed have both Antenna, and this doesn't so assume it's Broken, no testing was done

This Cisco Meraki MX64W Cloud Managed Security Appliance is a powerful device perfect for enterprise use. It may have some cosmetic wear due to previous usage, but it is fully functional and ready to be used right out of the box. This device is capable of running on Linux, Cisco IOS, Windows, and Mac operating systems and comes with a license category of Enterprise. It is designed to provide secure network access and is equipped with a broken antenna. Despite the broken antenna, it can still provide reliable and secure wireless connectivity for your business needs. The device comes with all the necessary components and is easy to set up and use.