SecureNet is a mid-sized company that designs and manufactures access control systems for government buildings. These systems utilize Internet of Things (IoT) devices embedded within the access control panels for real-time remote monitoring. SecureNet is undergoing a CMMC Level 2 assessment to comply with new government contracting requirements. During the scope validation stage, the Certified CMMC Assessor (CCA) will review SecureNet’s proposed assessment scope with the IT team. The scope includes all servers, workstations, and laptops within SecureNet’s network. However, there is no mention of the IoT devices within the access control panels. Which of the following asset categories is most likely to encompass the in-scope IoT devices used in SecureNet’s access control systems?