Overview
The 3961D is an antenna made by PCTEL with 5 pins. - Antennas ROHS.
JLCPCB lists it (part C6086999).
Symbol
The library has no symbol for this part yet.
Footprint
The library has no footprint for this part yet.
Questions
Where is the 3961D datasheet?
PCTEL publishes it: the Datasheet link on this page opens it.
Where can I order the 3961D?
JLCPCB lists it as part C6086999, with 0 in stock; the sellers' links on this page open their listings.