WWAN module

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

Description

Spare part number

 

 

HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module

704030-001

 

 

HP lt4112 LTE/HSPA+ Gobi 4G Module

704031-001

 

 

HP hs3110 HSPA+ Mobile Broadband Module

723895-001

 

 

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 battery (see Battery on page 50).

5.Remove the service cover (see Service cover on page 48).

Remove the WWAN module:

1.Disconnect the WWAN antenna cables (1) 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.

2.Remove the Phillips PM2.0×3.0 screw (2) that secures the WWAN module to the base enclosure.

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Chapter 5 Removal and replacement procedures for Customer Self-Repair parts