1. Figure 11-1 A residential AP (Access Point) WAN4 Switch ports DC Power

2. Figure 11-2 Switches and access points in an enterprise network Access Point Wireless Laptops Core Switch Wired LAN Switch Wireless LAN Switch

3. Figure 11-3 Hotspots Café HotspotResidential Hotspot Clearing House Authorization Internet ISP

4. Figure 11-4 Mesh topology comparison ISP Internet Cable or DSL Modem Access Point Wireless Computers ISP Access Points Wireless links Wired links Cable or DSL Modem Ad Hoc Mesh Network Infrastructure Mesh Network

5. Figure 11-5 Voice over IP in a corporate network PBX Corporate LAN Internet Voice Gateway Switch Access Point ISP

6. Internet Line-of-sight Non-line-of-sight Backhaul Overlapping ranges Residence Base Station WiMAX Tower Figure 11-6 WiMAX service