Channel of operation for this radio. Values: 1, 1+, 2, 2+, 3, 3+, 4, 4+, 5, 5+, 5-, 6, 6+, 6-, 7, 7+, 7-, 8, 8+, 8-, 9, 9+, 9-, 10, 10-, 11, 11-, 12, 12-, 13, 13-, 14, 36, 36+, 40, 40-, 44, 44+, 48, 48-, 52, 52+, 56, 56-, 60, 60+, 64, 64-, 100, 100+, 104, 104-, 108, 108+, 112, 112-, 116, 116+, 120, 120-, 124, 124+, 128, 128-, 132, 132+, 136, 136-, 140, 149, 149+, 153, 153-, 157, 157+, 161, 161-, 165, 34, 38, 42, 46, and smart When 'rf_mode' is set to '2.4GHz-wlan', valid channels are '1' through '14' and 'smart'. When 'rf_mode' is set to '5GHz-wlan', '1' through '14' are not allowed. Rest of the channels (including 'smart' are allowed) When 'rf_mode' is set to 'sensor', 'channel' setting is ignored. XPath: /wing-config/profile[name=key1]/interface[name=key2]/channel