Overview
The EXC400BN is an antenna made by TE Connectivity with 5 pins.
JLCPCB lists it (part C5737614).
Symbol
The library has no symbol for this part yet.
Footprint
The library has no footprint for this part yet.
Questions
Where is the EXC400BN datasheet?
TE Connectivity publishes it: the Datasheet link on this page opens it.
Where can I order the EXC400BN?
JLCPCB lists it as part C5737614, with 0 in stock; the sellers' links on this page open their listings.