Item
802.11b
Nonoverlapping
3 (Japan uses 4)
channels
Wireless modulation
DSSS
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
802.11 Standards for WLAN Communications
802.11g
3
OFDM
802.11a
Up to 23
OFDM
55