Wwan Module - HP ProBook 450 G2 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 lt4112 LTE/HSPA+ Gobi 4G Module
HP hs3110 HSPA+ 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 battery (see
5. Remove both service doors (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 two 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.)
Battery on page
Service door on page
The red WWAN antenna cable is connected to the WWAN module "Main" terminal. The blue
36).
37).
Component replacement procedures
Spare part number
740011-001
748599-001
47