4 layers52 × 115.7 mm

The FSC-BT1114QI is an uncategorised made by easycom in a SMD,12x17mm package with 45 pins. SMD,12x17mm SMT ROHS.
JLCPCB lists it (part C54892932). 1 open-source board in 1 repository on GitHub use it.
The library has no symbol for this part yet.
The library has no footprint for this part yet.

SMD,12x17mm, with 45 pins.
JLCPCB lists it as part C54892932, with 0 in stock; the sellers' links on this page open their listings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.