As it has a Surface Mount value, it can be used for general RF Antennas.This is a Antenna RF from the ACAG series.There is a Tape & Reel (TR) solid enclosure around the RF modulator.
ACAG1204-868-T Features
With Surface Mount ACAG series
ACAG1204-868-T Applications
There are a lot of Abracon LLC ACAG1204-868-T RF Antennas applications.