Overview
The EXD450SM is an antenna made by TE Connectivity with 5 pins.
JLCPCB lists it (part C5700540).
Symbol
The library has no symbol for this part yet.
Footprint
The library has no footprint for this part yet.
Questions
Where is the EXD450SM datasheet?
TE Connectivity publishes it: the Datasheet link on this page opens it.
Where can I order the EXD450SM?
JLCPCB lists it as part C5700540, with 0 in stock; the sellers' links on this page open their listings.