HP EliteBook 8570w Specifications download pdf (Page 67)

WWAN module

CAUTION: The WWAN module and the WLAN module are not interchangeable.

Description Spare part number

HP hs2350 HSPA+ Mobile Broadband Module 668969-001

HP un2430 EV-DO/HSPA Mobile Broadband Module 634400-001

HP lt2522 LTE/EV-DO Mobile Broadband Module 675791-001

HP lt2523 LTE/HSPA+ Mobile Broadband Module 675793-001

Before removing the WWAN module, follow these steps:

Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the

computer on, and then shut it down through the operating system.

Disconnect all external devices connected to the computer.

Disconnect the power from the computer by first unplugging the power cord from the AC outlet,

and then unplugging the AC adapter from the computer.

Remove the battery (see

Battery on page 46).

Remove the service door (see

Service door on page 52).

Remove the WWAN module:

Position the computer right-side up with front toward you.

Disconnect the WWAN antenna cables (1) and (2) from the terminals on the WWAN module.

NOTE: The red WWAN antenna cable is connected to the WWAN module “Main” terminal.

The blue WWAN antenna cable is connected to the WWAN module “Aux” terminal.

Remove the two Phillips screws (3) that secure the WWAN module to the computer. (The edge of

the module opposite the slot rises away from the computer.)

Component replacement procedures

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HP EliteBook 8570w Specifications Page 67