Overview
The MD24-12 is an antenna made by TE Connectivity with 5 pins.
JLCPCB lists it (part C5768049).
Symbol
The library has no symbol for this part yet.
Footprint
The library has no footprint for this part yet.
Questions
Where is the MD24-12 datasheet?
TE Connectivity publishes it: the Datasheet link on this page opens it.
Where can I order the MD24-12?
JLCPCB lists it as part C5768049, with 0 in stock; the sellers' links on this page open their listings.