The Surface Mount allows it to be used for RF Antennas in general.Bulk solid enclosure protects the RF modulator.In most RF ic designs, it is qualified as a Surface Mount.
DG-ANT-20CB-AG-B Features
With Surface Mount
DG-ANT-20CB-AG-B Applications
There are a lot of Digi DG-ANT-20CB-AG-B RF Antennas applications.