The Surface Mount allows it to be used for RF Antennas in general.Savvi™ is a series of Antenna RFs.Tape & Reel (TR) solid enclosure protects the RF modulator.In most RF ic designs, it is qualified as a Surface Mount.
M420310 Features
With Surface Mount Savvi™ series
M420310 Applications
There are a lot of Ethertronics/AVX M420310 RF Antennas applications.