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WWAN module
Description Spare part number
HP un2400 Mobile Broadband WWAN module 531993-001
HP F3607 SDG 850 Mobile Broadband WWAN module 574248-001
HP Mobile Broadband WWAN module 592625-161
HP Mobile Broadband WWAN module 607212-001
HP F3307 Pris 850 Mobile Broadband WWAN module 612599-001
HP F3307 Pris 900 Mobile Broadband WWAN module 612600-001
CAUTION: The WWAN module and the WLAN module are not interchangeable.
To prevent an unresponsive system, replace the wireless module only with a wireless module authorized
for use in the computer by the governmental agency that regulates wireless devices in your country or
region. If you replace the module and then receive a warning message, remove the module to restore
device functionality, and then contact technical support.
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
Battery on page 38).
5. Remove the service cover (see
Service cover on page 40).
Component replacement procedures
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