Wwan Module - HP EliteBook 745 G2 Maintenance And Service Manual

WWAN module

NOTE: The WWAN module and the WLAN module are not interchangeable.
Description
HP lt4211 LTE/EV-DO/HSPA+4G Mobile Broadband Module
HP lt4112 LTE/HSPA+ 4G Broadband Module
HP hs3110 HSPA+ Mobile Broadband Module
Before removing the WWAN module, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service door (see
5. Remove the battery (see
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE:
blue WWAN antenna cable is connected to the WWAN module "Aux" terminal.
2. Remove the Phillips PM2.0×3.0 screw (2) that secures the WWAN module to
the base enclosure.
Service door on page
Battery on page
The red WWAN antenna cable is connected to the WWAN module "Main" terminal. The
44).
46).
Component replacement procedures
Spare part number
748021-001
740011-001
748599-001
51