Genuine Dell OEM Chromebook 3100 Laptop right-side USB ports IO circuit board daughterboard- this houses USB Type-C port and the optional WWAN LTE card slot, and micro-SIM card slot. This board is compatible with the LAPTOP version of the Chromebook 3100 with optional WWAN LTE wireless

Compatible Dell Laptops/Notebooks:
Chromebook 3100 Laptop (with WWAN)

DPN: Y3GN9

alt p/n's:
GDA10
LS-K991P
G18MV

NOTE: This is for the LAPTOP version of the Chromebook 3100; this is NOT compatible with the 2N1 version.
This board is for Chromebook 3100 laptops that have the optional WWAN LTE wireless feature.