Buffalo Nfiniti AirStation Draft-N WZR2-G300N User Manual page 26

Specifications
AirStation IEEE 802.11 Channel Sets
The range of the wireless signal is related to the Transmit Rate of the wireless
communication. Communications at a lower Transmit range may travel longer distances.
Center Channel ID FCC
1 2412 2 2417 3 2422 4 2427 5 2432 6 2437 7 2442 8 2447 9 2452 10 2457
11 2462 11 default channel