8. Summary Table

Aspect

Details

Function

Connects wireless devices to wired networks, bridges Wi-Fi and Ethernet.

Key Protocols

IEEE 802.11 (Wi-Fi), WPA2/WPA3, ARP, DHCP, SNMP.

Devices

TP-Link EAP, Cisco Aironet, Ubiquiti UniFi, Google Nest Wi-Fi.

Layer (TCP/IP)

Link Layer (physical transmission, MAC addressing).

Layer (OSI)

Physical (Layer 1), Data Link (Layer 2).

Use Cases

Home Wi-Fi, enterprise WLANs, public hotspots, IoT connectivity.