As it has a Surface Mount, it's suitable for most RF ic designs.The RF ic comes in 1206 packaging, which makes it convenient to ship overseas.The RF modulator for the 2 pins explain the functions.
LDA312G4413H-280 Features
2 pins
LDA312G4413H-280 Applications
There are a lot of Murata Electronics LDA312G4413H-280 RF Antennas applications.