Dell G Series G15 5510 5515 5520 palmrest junction board- this is the keyboard controller board, often referred to as the keyboard MCU (micro controller unit) board, this also acts as a junction board connecting the keyboard to the motherboard.

Compatible Dell Laptops:
G Series G15 5510
G Series G15 5515 Ryzen Edition
G Series G15 5520
G Series G15 5521 Special Edition
G Series G15 5525

DPN: 8513G

Alternate Part Numbers:
board: F5X25; GDL55; LS-K665P
cable: 3KW84; GDL55_MCU_FFC; NBX0002RM00