Figure 2 shows a look under the hood. You can see the blue LED that illuminates the ZyAIR logo and also "breathes" (dims and brightens) to show traffic flow. One of the four LAN ports and the WAN port is illuminated with the yellow LEDs. The LAN port LEDs indicate connection health and activity. The two green LEDs that show system status and power.
Figure 2: ZyAIR G-2000 mainboard
The G-2000 uses a Conexant PRISM-based ZCom XG-601 mini-PCI radio that's mounted on the underside of the board.