Here's the latest as of AOS 6.4.4.2 and Regulatory Version 1.0_52480
(BOSTON-7010) #show ap allowed-channels country-code US ap-type 277
Allowed Channels for AP Type 277 Country Code "US" Country "United States"
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PHY Type Allowed Channels
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802.11g (indoor) 1 2 3 4 5 6 7 8 9 10 11
802.11a (indoor) 36 40 44 48 149 153 157 161 165
802.11g (outdoor) 1 2 3 4 5 6 7 8 9 10 11
802.11a (outdoor) 36 40 44 48 149 153 157 161 165
802.11g 40MHz (indoor) 1-5 2-6 3-7 4-8 5-9 6-10 7-11
802.11a 40MHz (indoor) 36-40 44-48 149-153 157-161
802.11g 40MHz (outdoor) 1-5 2-6 3-7 4-8 5-9 6-10 7-11
802.11a 40MHz (outdoor) 36-40 44-48 149-153 157-161
802.11a 80MHz (indoor) 36-48 149-161
802.11a 80MHz (outdoor) 36-48 149-161
802.11a (DFS) None