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Broadcom BCM94331CSAX

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Broadcom BCM94331CSAX

FCC approval date: 07 February 2012

Interface: PCIe (non-standard connector)

ID: 14e4:4331 SS: 106b:00ef
Windows: PCI\VEN_14E4&DEV_4331&SUBSYS_00EF106B

Industry Canada ID: 4324A-BRCM1062

WI1 chip1: Broadcom BCM4331

Additional chips
Bluetooth SoC;Broadcom;BCM20702A3;BCM20702, A3KWFBG, HC1212 P13, 190644 N1W;1;
2.4/5GHz Front End Module;Skyworks;SE5515;SE5515, 2113J, 1211 CN;2;
5GHz Power Amplifier IC;Skyworks;SE5019T;SiGe, 5019T, 110FS;1;
2.4GHz Power Amplifier IC;Skyworks;SE2598L;SiGe, 2598L, 1240W;1;

Probable Linux driver
should work with Broadcom's latest wl driver is now available on Broadcom's site is available in...
Alberto Milone's Broadcom testing PPA or the broadcom-wl packages (w/ dkms or w/ no dkms) in the Arch AUR

.. or, alternatively, b43 (in backports, k3.2+)
PCI ID not yet observed in any mainline kernel / this list
(see also passys)

Antenna connector: MHF4

abgn, 3x3:3

Flags: bluetooth

OUI: 20:C9:D0 (-, 1 W, 2011)

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

This is the wireless module for at least the...

  • Apple MacBook Pro w/ Retina display (2012)

The PCIe connector for this device is proprietary (see external links below for more info).

This module is using the following components...

  • BCM4331 (BCM4331KML1G [P21], different chip pkg. from the standard BCM4331KMLG)
    • w/ 2 Skyworks SE5515 Dual Band Front End Modules (FEMs)
    • w/ 1 Skyworks (SiGe) SE5019T 5GHz Power Amplifier (PA)
    • w/ 1 Skyworks (SiGe) SE2598L 2.4GHz Power Amplifier (PA)
  • BCM20702 r. A3 Bluetooth SoC (USB)

The antenna connector used for this card is presumed to be MHF4.

Additional external links[edit]

Teardowns w/ module visible[edit]


Subsystem appears to be 106b:00ef



The 20:C9:D0 OUI used in this entry is per the module depicted in the above photo..