Apple AR5BXB112

Overview
This module is used in the..
 * Apple iMac, 2011 27"
 * 7C:C3:A1 OUI
 * P/N: 607-7211-A / 607-7212-A

Apple on ich8 blogs
 * WLAN: Atheros AR9388 (3T3R 802.11abgn), PA: 3x SiGe SE5507L
 * "250-01927-30" and "1101" (01/2011) is silkscreened on the board in the photos.

lspci -nnv dump
05:00.0 Network controller [0280]: Qualcomm Atheros AR93xx Wireless Network Adapter [168c:0030] (rev 01) Subsystem: Apple Inc. AirPort Extreme [106b:009a] Physical Slot: 1 Flags: bus master, fast devsel, latency 0, IRQ 19 Memory at f1d00000 (64-bit, non-prefetchable) [size=128K] [virtual] Expansion ROM at f0400000 [disabled] [size=64K] Capabilities: [40] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+ Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Virtual Channel Capabilities: [300] Device Serial Number 00-00-00-00-00-00-00-00 Kernel driver in use: ath9k

ath9k info dump
ath9k 0000:05:00.0: enabling device (0000 -> 0002) ath: EEPROM regdomain: 0x65 ath: EEPROM indicates we should expect a direct regpair map ath: Country alpha2 being used: 00 ath: Regpair used: 0x65 ieee80211 phy8: Selected rate control algorithm 'minstrel_ht' ieee80211 phy8: Atheros AR9300 Rev:3 mem=0xffffc90019940000, irq=19

cat /sys/kernel/debug/ieee80211/.../ath9k/base_eeprom
mTOR ath9k # cat base_eeprom EEPROM Version :         2 RegDomain1 :       101 RegDomain2 :        31 TX Mask :         7 RX Mask :         7 Allow 5GHz :         1 Allow 2GHz :         1 Disable 2GHz HT20 :         0 Disable 2GHz HT40 :         0 Disable 5Ghz HT20 :         0 Disable 5Ghz HT40 :         0 Big Endian :         0 RF Silent :         0 BT option :         0 Device Cap :         0 Device Type :         5 Power Table Offset :         0 Tuning Caps1 :         0 Tuning Caps2 :         0 Enable Tx Temp Comp :         1 Enable Tx Volt Comp :         0 Enable fast clock :         1 Enable doubling :         1 Internal regulator :         0 Enable Paprd :         0 Driver Strength :         0 Quick Drop :         0 Chain mask Reduce :         0 Write enable Gpio :         6 WLAN Disable Gpio :         0 WLAN LED Gpio :         8 Rx Band Select Gpio :       255 Tx Gain :         0 Rx Gain :         0 SW Reg :         0 MacAddress : 20:c9:d0:36:4c:1b