Cisco 9971 - Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager

802.11a802.11g802.11bItem
Up to 2333 (Japan uses 4)Nonoverlapping
channels
OFDMOFDMDSSSWireless modulation
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
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802.11 Standards for WLAN Communications