Wwan Module - HP EliteBook 820 G3 Maintenance And Service Manual

WWAN module

The WLAN module and WWAN module are not interchangeable.
The WWAN module is available on select models only.
Description
HP lt4120 LTE/EVDO/HSPA+ SnapdragonT X5 LTE Mobile Broadband Module
HP hs31110 HSPA + Intel Mobile Broadband Module
Before removing the WWAN module, follow these steps:
1. 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.
2. Disconnect all external devices connected to the computer.
3. 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.
4. Remove the bottom cover (see
5. Remove the battery (see
Remove the WWAN module:
1. Position the computer upside-down.
2. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE:
WWAN antenna cable is connected to the WWAN module "Aux" terminal.
3. Remove the one Phillips PM2.5×3.0 screws (2) that secure the WWAN module to the computer. (The
edge of the module opposite the slot rises away from the computer.)
44 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
Bottom cover on page
Battery on page
The red WWAN antenna cable is connected to the WWAN module "Main" terminal. The blue
32).
35).
Spare part number
800870-001
822828-001