Can i replace the wifi card in my pavilion dv7 4045ea laptop

I have a pavilion dv7 4045ea and want to replace the single band broacom 4313 wireless n card for a compatible dual band wireless n card if possible with which compatible card.
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Hi:
Below is the link to the service manual for your notebook.
http://h10032.www1.hp.com/ctg/Manual/c02642701.pdf
Supported wireless cards are listed in chapter 3 starting on page 24.
From the looks of it, you have a choice of the Atheros AR9280 802.11a/b/g/n 2x2 WiFi Adapter, or the
Broadcom 4322 802.11a/b/g/n WLAN adapter.
You must only get one of the cards listed in the service manual and they MUST have the HP part # on them, or they WILL NOT work in your notebook.
Make sure you choose a card with the part # listed for your locale.
Paul

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    eMac (2005) - Technical Specifications
    eMac (2005) - Technical Specifications
    Configurations
    EDU [no optical]
    EDU CD
    Combo
    Super
    Model
    M99832
    M99833
    M99834
    M9835
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    1.25G/256/40/CD
    1.42G/256/80/Combo
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    G4 / 1.25 Ghz
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    - L3 Cache
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    Memory Included
    256 MB
    512 MB
    Memory Maximum
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    Memory Slots
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    80 GB
    160 GB
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    Ultra ATA/100 / 7200 RPM
    Optical Drive Type
    none
    CD-ROM (tray)
    Combo Drive (tray)
    SuperDrive (tray)
    DVD Decoding
    n/a
    software
    DVD+R (dual layer)
    n/a
    4x read
    6x read; 2.4x write
    DVD±RW
    n/a
    8x read
    8x read; 4x write
    DVD±R
    n/a
    8x read
    8x read; 8x write
    DVD-ROM
    n/a
    12x read
    CD-RW
    n/a
    32x read; 24x write
    32x read; 8x write
    CD-R
    n/a
    32x read; 32x write
    32x read; 24x write
    CD-ROM
    n/a
    32x read
    USB 1.0
    on keyboard (2)
    USB 2.0
    3
    FireWire 400
    2
    FireWire 800
    no
    Expansion slots
    none
    Ethernet (built-in)
    100Base-T

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