Product specifications Table 2. Specifications Item Specification Part numbers Cisco Catalyst access points ? CW9166I-x: Cisco Catalyst 9166 Series Regulatory domains: (x = regulatory domain) Customers are responsible for verifying approval for use in their individual countries. To verify approval and to identify the regulatory domain that corresponds to a particular country, visit https://www.cisco.com/go/aironet/compliance. Not all regulatory domains have been approved. As they