HP hs3210 WW HSPA+ WWAN module 860726-001 adds mobile broadband connectivity to compatible HP notebooks. This is the Fibocom HSPA+ version specified without GPS, for systems configured to support this WWAN module.
HP lists it as an optional module for select EliteBook 820 G4 and 828 G4 notebook PCs. In the service procedure, the module connects to the notebook’s WWAN antenna cables at the Main and Aux terminals. WLAN and WWAN modules are separate components and are not interchangeable.