WLAN Bridges Types Explained:

• Basic Ethernet-to-Wireless.
• Connects directly to a single device via an Ethernet port
• Provides a wireless connection to an access point
• A substitute for a radio NIC
• When the device; Printer, PC, or video game console, has an Ethernet port and no 802.11 NIC.
• No way of adding a wireless NIC? The basic bridge is the only means to have wireless.
   
• Access Point / Wireless Bridge Combos
• Some access points can be configured as a bridge
• Not both at the same time
• Connect two or more Ethernet LANs together via wireless
   
• Workgroup Bridges
• Connect wireless networks to larger, wired Ethernet networks
• The bridge acts as a wireless client on the wireless LAN interfacing to a wired network
• Connect directly with a single device (like an Ethernet-to-Wireless bridge) or to an Ethernet hub or switch that connects multiple devices
• Workgroup Bridge offers higher-end management and security utilities