The type of the frequency configured in spectrum group. This is
a mandatory object and can be modified when the row is active.
If the value of centerFreq(1) is specified, the values of the
corresponding instance of ccsSpecGroupFreqLower and
csSpecGroupFreqUpper object must be identical. If the value of
bandFreq(2) is specified, the values of the corresponding
instance of ccsSpecGroupFreqLower and csSpecGroupFreqUpper
must be unique.