dell latitude e6420 with one
my Dell E6420 came with the 6205 - lspci reports
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 (rev 34)
works perfectly with linux kernel 3.4.1 stock kernel from Opensuse Tumbleweed (12.1+) x86-64
$ lsmod | grep iwl
iwlwifi 370867 0
mac80211 574798 1 iwlwifi
cfg80211 213817 2 iwlwifi,mac80211
$ dmesg | grep -i iwl
[ 18.039051] iwlwifi 0000:03:00.0: pci_resource_len = 0x00002000
[ 18.041491] iwlwifi 0000:03:00.0: pci_resource_base = ffffc90005098000
[ 18.043883] iwlwifi 0000:03:00.0: HW Revision ID = 0x34
[ 18.046331] iwlwifi 0000:03:00.0: irq 48 for MSI/MSI-X
[ 18.049609] iwlwifi 0000:03:00.0: loaded firmware version 17.168.5.3 build 42301
[ 18.049824] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUG enabled
[ 18.054509] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
[ 18.056786] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TRACING disabled
[ 18.059068] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TESTMODE disabled
[ 18.061320] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_P2P disabled
[ 18.063489] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R) Advanced-N 6205 AGN, REV=0xB0
[ 18.065705] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 18.083422] iwlwifi 0000:03:00.0: device EEPROM VER=0x715, CALIB=0x6
[ 18.085529] iwlwifi 0000:03:00.0: Device SKU: 0x1F0
[ 18.087538] iwlwifi 0000:03:00.0: Valid Tx ant: 0x3, Valid Rx ant: 0x3
[ 18.089518] iwlwifi 0000:03:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels
[ 18.095026] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
[ 49.557611] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 49.564430] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
[ 49.849081] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 49.855911] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
[ 9596.676699] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 9596.690563] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
[11446.455184] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[11446.468933] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
[50501.675068] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[50501.682197] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
[50503.827955] iwlwifi 0000:03:00.0: Error sending REPLY_RXON: time out after 2000ms.
[50503.827970] iwlwifi 0000:03:00.0: Current CMD queue read_ptr 19 write_ptr 20
[50503.827978] iwlwifi 0000:03:00.0: Error clearing ASSOC_MSK on BSS (-110)
[50503.829594] iwlwifi 0000:03:00.0: HCMD_ACTIVE already clear for command REPLY_QOS_PARAM
[50503.830998] iwlwifi 0000:03:00.0: HCMD_ACTIVE already clear for command REPLY_ADD_STA
[54260.543852] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[54260.551380] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0