Select Standard-Channel mode or Single-Channel mode. When Single-Channel
mode is enabled, only one channel can be selected to send uplinks. Please
enable Single-Channel mode if you connect device to DS7610.
Enable or disable the frequency to send uplinks.
If frequency is one of CN470/AU915/US915, enter the index of the channel
that you want to enable and make them separated by commas.
Examples:
1, 40: Enabling Channel 1 and Channel 40
1-40: Enabling Channel 1 to Channel 40
1-40, 60: Enabling Channel 1 to Channel 40 and Channel 60
All: Enabling all channels
Null: Indicates that all channels are disabled