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mortenjust/wifi-beacon-frame.txt

Created November 21, 2015 18:48
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wifi-beacon-frame.txt
Frame 1: 268 bytes on wire (2144 bits), 268 bytes captured (2144 bits) on interface 0
Interface id: 0 (en0)
Encapsulation type: IEEE 802.11 plus radiotap radio header (23)
Arrival Time: Nov 21, 2015 10:36:49.097915000 PST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1448131009.097915000 seconds
[Time delta from previous captured frame: 0.000000000 seconds]
[Time delta from previous displayed frame: 0.000000000 seconds]
[Time since reference or first frame: 0.000000000 seconds]
Frame Number: 1
Frame Length: 268 bytes (2144 bits)
Capture Length: 268 bytes (2144 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: radiotap:wlan_radio:wlan]
Radiotap Header v0, Length 25
Header revision: 0
Header pad: 0
Header length: 25
Present flags
.... .... .... .... .... .... .... ...1 = TSFT: Present
.... .... .... .... .... .... .... ..1. = Flags: Present
.... .... .... .... .... .... .... .1.. = Rate: Present
.... .... .... .... .... .... .... 1... = Channel: Present
.... .... .... .... .... .... ...0 .... = FHSS: Absent
.... .... .... .... .... .... ..1. .... = dBm Antenna Signal: Present
.... .... .... .... .... .... .1.. .... = dBm Antenna Noise: Present
.... .... .... .... .... .... 0... .... = Lock Quality: Absent
.... .... .... .... .... ...0 .... .... = TX Attenuation: Absent
.... .... .... .... .... ..0. .... .... = dB TX Attenuation: Absent
.... .... .... .... .... .0.. .... .... = dBm TX Power: Absent
.... .... .... .... .... 1... .... .... = Antenna: Present
.... .... .... .... ...0 .... .... .... = dB Antenna Signal: Absent
.... .... .... .... ..0. .... .... .... = dB Antenna Noise: Absent
.... .... .... .... .0.. .... .... .... = RX flags: Absent
.... .... .... .0.. .... .... .... .... = Channel+: Absent
.... .... .... 0... .... .... .... .... = MCS information: Absent
.... .... ...0 .... .... .... .... .... = A-MPDU Status: Absent
.... .... ..0. .... .... .... .... .... = VHT information: Absent
...0 0000 00.. .... .... .... .... .... = Reserved: 0x00000000
..0. .... .... .... .... .... .... .... = Radiotap NS next: False
.0.. .... .... .... .... .... .... .... = Vendor NS next: False
0... .... .... .... .... .... .... .... = Ext: Absent
MAC timestamp: 13044463
Flags: 0x10
.... ...0 = CFP: False
.... ..0. = Preamble: Long
.... .0.. = WEP: False
.... 0... = Fragmentation: False
...1 .... = FCS at end: True
..0. .... = Data Pad: False
.0.. .... = Bad FCS: False
0... .... = Short GI: False
Data Rate: 1.0 Mb/s
Channel frequency: 2462 [BG 11]
Channel flags: 0x0480, 2 GHz spectrum, Dynamic CCK-OFDM
.... .... ...0 .... = Turbo: False
.... .... ..0. .... = Complementary Code Keying (CCK): False
.... .... .0.. .... = Orthogonal Frequency-Division Multiplexing (OFDM): False
.... .... 1... .... = 2 GHz spectrum: True
.... ...0 .... .... = 5 GHz spectrum: False
.... ..0. .... .... = Passive: False
.... .1.. .... .... = Dynamic CCK-OFDM: True
.... 0... .... .... = Gaussian Frequency Shift Keying (GFSK): False
...0 .... .... .... = GSM (900MHz): False
..0. .... .... .... = Static Turbo: False
.0.. .... .... .... = Half Rate Channel (10MHz Channel Width): False
0... .... .... .... = Quarter Rate Channel (5MHz Channel Width): False
SSI Signal: -58 dBm
SSI Noise: -78 dBm
Antenna: 0
802.11 radio information
PHY type: 802.11g (6)
Short preamble: False
Proprietary mode: None (0)
Data rate: 1.0 Mb/s
Channel: 11
Frequency: 2462 MHz
Signal strength (dBm): -58 dBm
Noise level (dBm): -78 dBm
TSF timestamp: 13044463
IEEE 802.11 Beacon frame, Flags: ........C
Type/Subtype: Beacon frame (0x0008)
Frame Control Field: 0x8000
.... ..00 = Version: 0
.... 00.. = Type: Management frame (0)
1000 .... = Subtype: 8
Flags: 0x00
.... ..00 = DS status: Not leaving DS or network is operating in AD-HOC mode (To DS: 0 From DS: 0) (0x00)
.... .0.. = More Fragments: This is the last fragment
.... 0... = Retry: Frame is not being retransmitted
...0 .... = PWR MGT: STA will stay up
..0. .... = More Data: No data buffered
.0.. .... = Protected flag: Data is not protected
0... .... = Order flag: Not strictly ordered
.000 0000 0000 0000 = Duration: 0 microseconds
Receiver address: Broadcast (ff:ff:ff:ff:ff:ff)
Destination address: Broadcast (ff:ff:ff:ff:ff:ff)
Transmitter address: ArrisGro_a0:68:60 (58:56:e8:a0:68:60)
Source address: ArrisGro_a0:68:60 (58:56:e8:a0:68:60)
BSS Id: ArrisGro_a0:68:60 (58:56:e8:a0:68:60)
.... .... .... 0000 = Fragment number: 0
1011 1111 0000 .... = Sequence number: 3056
Frame check sequence: 0x61da286e [correct]
[Good: True]
[Bad: False]
IEEE 802.11 wireless LAN management frame
Fixed parameters (12 bytes)
Timestamp: 0x0000065bbc2d5183
Beacon Interval: 0.102400 [Seconds]
Capabilities Information: 0x0411
.... .... .... ...1 = ESS capabilities: Transmitter is an AP
.... .... .... ..0. = IBSS status: Transmitter belongs to a BSS
.... ..0. .... 00.. = CFP participation capabilities: No point coordinator at AP (0x0000)
.... .... ...1 .... = Privacy: AP/STA can support WEP
.... .... ..0. .... = Short Preamble: Not Allowed
.... .... .0.. .... = PBCC: Not Allowed
.... .... 0... .... = Channel Agility: Not in use
.... ...0 .... .... = Spectrum Management: Not Implemented
.... .1.. .... .... = Short Slot Time: In use
.... 0... .... .... = Automatic Power Save Delivery: Not Implemented
...0 .... .... .... = Radio Measurement: Not Implemented
..0. .... .... .... = DSSS-OFDM: Not Allowed
.0.. .... .... .... = Delayed Block Ack: Not Implemented
0... .... .... .... = Immediate Block Ack: Not Implemented
Tagged parameters (203 bytes)
Tag: SSID parameter set: ATT336
Tag Number: SSID parameter set (0)
Tag length: 6
SSID: ATT336
Tag: Supported Rates 1(B), 2(B), 5.5(B), 11(B), 18, 24, 36, 54, [Mbit/sec]
Tag Number: Supported Rates (1)
Tag length: 8
Supported Rates: 1(B) (0x82)
Supported Rates: 2(B) (0x84)
Supported Rates: 5.5(B) (0x8b)
Supported Rates: 11(B) (0x96)
Supported Rates: 18 (0x24)
Supported Rates: 24 (0x30)
Supported Rates: 36 (0x48)
Supported Rates: 54 (0x6c)
Tag: DS Parameter set: Current Channel: 11
Tag Number: DS Parameter set (3)
Tag length: 1
Current Channel: 11
Tag: Traffic Indication Map (TIM): DTIM 1 of 0 bitmap
Tag Number: Traffic Indication Map (TIM) (5)
Tag length: 4
DTIM count: 1
DTIM period: 3
Bitmap control: 0x00
.... ...0 = Multicast: False
0000 000. = Bitmap Offset: 0x00
Partial Virtual Bitmap: 00
Tag: ERP Information
Tag Number: ERP Information (42)
Tag length: 1
ERP Information: 0x00
.... ...0 = Non ERP Present: Not set
.... ..0. = Use Protection: Not set
.... .0.. = Barker Preamble Mode: Not set
0000 0... = Reserved: 0x00
Tag: ERP Information
Tag Number: ERP Information (47)
Tag length: 1
ERP Information: 0x00
.... ...0 = Non ERP Present: Not set
.... ..0. = Use Protection: Not set
.... .0.. = Barker Preamble Mode: Not set
0000 0... = Reserved: 0x00
Tag: RSN Information
Tag Number: RSN Information (48)
Tag length: 24
RSN Version: 1
Group Cipher Suite: 00-0f-ac TKIP
Group Cipher Suite OUI: 00-0f-ac
Group Cipher Suite type: TKIP (2)
Pairwise Cipher Suite Count: 2
Pairwise Cipher Suite List 00-0f-ac AES (CCM) 00-0f-ac TKIP
Pairwise Cipher Suite: 00-0f-ac AES (CCM)
Pairwise Cipher Suite OUI: 00-0f-ac
Pairwise Cipher Suite type: AES (CCM) (4)
Pairwise Cipher Suite: 00-0f-ac TKIP
Pairwise Cipher Suite OUI: 00-0f-ac
Pairwise Cipher Suite type: TKIP (2)
Auth Key Management (AKM) Suite Count: 1
Auth Key Management (AKM) List 00-0f-ac PSK
Auth Key Management (AKM) Suite: 00-0f-ac PSK
Auth Key Management (AKM) OUI: 00-0f-ac
Auth Key Management (AKM) type: PSK (2)
RSN Capabilities: 0x000c
.... .... .... ...0 = RSN Pre-Auth capabilities: Transmitter does not support pre-authentication
.... .... .... ..0. = RSN No Pairwise capabilities: Transmitter can support WEP default key 0 simultaneously with Pairwise key
.... .... .... 11.. = RSN PTKSA Replay Counter capabilities: 16 replay counters per PTKSA/GTKSA/STAKeySA (0x0003)
.... .... ..00 .... = RSN GTKSA Replay Counter capabilities: 1 replay counter per PTKSA/GTKSA/STAKeySA (0x0000)
.... .... .0.. .... = Management Frame Protection Required: False
.... .... 0... .... = Management Frame Protection Capable: False
.... ...0 .... .... = Joint Multi-band RSNA: False
.... ..0. .... .... = PeerKey Enabled: False
Tag: Extended Supported Rates 6, 9, 12, 48, [Mbit/sec]
Tag Number: Extended Supported Rates (50)
Tag length: 4
Extended Supported Rates: 6 (0x0c)
Extended Supported Rates: 9 (0x12)
Extended Supported Rates: 12 (0x18)
Extended Supported Rates: 48 (0x60)
Tag: HT Capabilities (802.11n D1.10)
Tag Number: HT Capabilities (802.11n D1.10) (45)
Tag length: 26
HT Capabilities Info: 0x187c
.... .... .... ...0 = HT LDPC coding capability: Transmitter does not support receiving LDPC coded packets
.... .... .... ..0. = HT Support channel width: Transmitter only supports 20MHz operation
.... .... .... 11.. = HT SM Power Save: SM Power Save disabled (0x0003)
.... .... ...1 .... = HT Green Field: Transmitter is able to receive PPDUs with Green Field (GF) preamble
.... .... ..1. .... = HT Short GI for 20MHz: Supported
.... .... .1.. .... = HT Short GI for 40MHz: Supported
.... .... 0... .... = HT Tx STBC: Not supported
.... ..00 .... .... = HT Rx STBC: No Rx STBC support (0x0000)
.... .0.. .... .... = HT Delayed Block ACK: Transmitter does not support HT-Delayed BlockAck
.... 1... .... .... = HT Max A-MSDU length: 7935 bytes
...1 .... .... .... = HT DSSS/CCK mode in 40MHz: Will/Can use DSSS/CCK in 40 MHz
..0. .... .... .... = HT PSMP Support: Won't/Can't support PSMP operation
.0.. .... .... .... = HT Forty MHz Intolerant: Use of 40 MHz transmissions unrestricted/allowed
0... .... .... .... = HT L-SIG TXOP Protection support: Not supported
A-MPDU Parameters: 0x1b
.... ..11 = Maximum Rx A-MPDU Length: 0x03 (65535[Bytes])
...1 10.. = MPDU Density: 8 [usec] (0x06)
000. .... = Reserved: 0x00
Rx Supported Modulation and Coding Scheme Set: MCS Set
Rx Modulation and Coding Scheme (One bit per modulation): 2 spatial streams
.... .... .... .... .... .... 1111 1111 = Rx Bitmask Bits 0-7: 0x000000ff
.... .... .... .... 1111 1111 .... .... = Rx Bitmask Bits 8-15: 0x000000ff
.... .... 0000 0000 .... .... .... .... = Rx Bitmask Bits 16-23: 0x00000000
0000 0000 .... .... .... .... .... .... = Rx Bitmask Bits 24-31: 0x00000000
.... .... .... .... .... .... .... ...0 = Rx Bitmask Bit 32: 0x00000000
.... .... .... .... .... .... .000 000. = Rx Bitmask Bits 33-38: 0x00000000
.... .... ...0 0000 0000 0000 0... .... = Rx Bitmask Bits 39-52: 0x00000000
...0 0000 0000 0000 0000 0000 000. .... = Rx Bitmask Bits 53-76: 0x00000000
.... ..00 0000 0000 = Highest Supported Data Rate: 0x0000
.... .... .... ...0 = Tx Supported MCS Set: Not defined
.... .... .... ..0. = Tx and Rx MCS Set: Equal
.... .... .... 00.. = Maximum Number of Tx Spatial Streams Supported: 0x0000, TX MCS Set Not Defined
.... .... ...0 .... = Unequal Modulation: Not supported
HT Extended Capabilities: 0x0000
.... .... .... ...0 = Transmitter supports PCO: Not supported
.... .... .... .00. = Time needed to transition between 20MHz and 40MHz: No Transition (0x0000)
.... ..00 .... .... = MCS Feedback capability: STA does not provide MCS feedback (0x0000)
.... .0.. .... .... = High Throughput: Not supported
.... 0... .... .... = Reverse Direction Responder: Not supported
Transmit Beam Forming (TxBF) Capabilities: 0x00000000
.... .... .... .... .... .... .... ...0 = Transmit Beamforming: Not supported
.... .... .... .... .... .... .... ..0. = Receive Staggered Sounding: Not supported
.... .... .... .... .... .... .... .0.. = Transmit Staggered Sounding: Not supported
.... .... .... .... .... .... .... 0... = Receive Null Data packet (NDP): Not supported
.... .... .... .... .... .... ...0 .... = Transmit Null Data packet (NDP): Not supported
.... .... .... .... .... .... ..0. .... = Implicit TxBF capable: Not supported
.... .... .... .... .... .... 00.. .... = Calibration: incapable (0x00000000)
.... .... .... .... .... ...0 .... .... = STA can apply TxBF using CSI explicit feedback: Not supported
.... .... .... .... .... ..0. .... .... = STA can apply TxBF using uncompressed beamforming feedback matrix: Not supported
.... .... .... .... .... .0.. .... .... = STA can apply TxBF using compressed beamforming feedback matrix: Not supported
.... .... .... .... ...0 0... .... .... = Receiver can return explicit CSI feedback: not supported (0x00000000)
.... .... .... .... .00. .... .... .... = Receiver can return explicit uncompressed Beamforming Feedback Matrix: not supported (0x00000000)
.... .... .... ...0 0... .... .... .... = STA can compress and use compressed Beamforming Feedback Matrix: not supported (0x00000000)
.... .... .... .00. .... .... .... .... = Minimal grouping used for explicit feedback reports: No grouping supported (0x00000000)
.... .... ...0 0... .... .... .... .... = Max antennae STA can support when CSI feedback required: 1 TX antenna sounding (0x00000000)
.... .... .00. .... .... .... .... .... = Max antennae STA can support when uncompressed Beamforming feedback required: 1 TX antenna sounding (0x00000000)
.... ...0 0... .... .... .... .... .... = Max antennae STA can support when compressed Beamforming feedback required: 1 TX antenna sounding (0x00000000)
.... .00. .... .... .... .... .... .... = Maximum number of rows of CSI explicit feedback: 1 row of CSI (0x00000000)
...0 0... .... .... .... .... .... .... = Maximum number of space time streams for which channel dimensions can be simultaneously estimated: 1 space time stream (0x00000000)
000. .... .... .... .... .... .... .... = Reserved: 0x00000000
Antenna Selection (ASEL) Capabilities: 0x00
.... ...0 = Antenna Selection Capable: Not supported
.... ..0. = Explicit CSI Feedback Based Tx ASEL: Not supported
.... .0.. = Antenna Indices Feedback Based Tx ASEL: Not supported
.... 0... = Explicit CSI Feedback: Not supported
...0 .... = Antenna Indices Feedback: Not supported
..0. .... = Rx ASEL: Not supported
.0.. .... = Tx Sounding PPDUs: Not supported
0... .... = Reserved: 0x00
Tag: HT Information (802.11n D1.10)
Tag Number: HT Information (802.11n D1.10) (61)
Tag length: 22
Primary Channel: 11
HT Information Subset (1 of 3): 0x08
.... ..00 = Secondary channel offset: No secondary channel (0x00)
.... .0.. = Supported channel width: 20 MHz channel width only
.... 1... = Reduced Interframe Spacing (RIFS): Permitted
...0 .... = Power Save Multi-Poll (PSMP) stations only: Association requests are accepted regardless of PSMP capability
000. .... = Shortest service interval: 5 ms (0x00)
HT Information Subset (2 of 3): 0x0000
.... .... .... ..00 = Operating mode of BSS: All STAs are - 20/40 MHz HT or in a 20/40 MHz BSS or are 20 MHz HT in a 20 MHz BSS (0x0000)
.... .... .... .0.. = Non-greenfield STAs present: All associated STAs are greenfield capable
.... .... .... 0... = Transmit burst limit: No limit
.... .... ...0 .... = OBSS non-HT STAs present: Use of protection for non-HT STAs by overlapping BSSs is not needed
0000 0000 000. .... = Reserved: 0x0000
HT Information Subset (3 of 3): 0x0000
.... .... ..00 0000 = Reserved: 0x0000
.... .... .0.. .... = Dual beacon: No second beacon is transmitted
.... .... 0... .... = Dual Clear To Send (CTS) protection: Not required
.... ...0 .... .... = Beacon ID: Primary beacon
.... ..0. .... .... = L-SIG TXOP Protection Full Support: One or more HT STAs in the BSS do not support L-SIG TXOP protection
.... .0.. .... .... = Phased Coexistence Operation (PCO): Inactive
.... 0... .... .... = Phased Coexistence Operation (PCO) Phase: Switch to or continue 20 MHz phase
0000 .... .... .... = Reserved: 0x0000
Rx Supported Modulation and Coding Scheme Set: Basic MCS Set
Rx Modulation and Coding Scheme (One bit per modulation): Reserved:8
.... .... .... .... .... .... 0000 0000 = Rx Bitmask Bits 0-7: 0x00000000
.... .... .... .... 0000 0000 .... .... = Rx Bitmask Bits 8-15: 0x00000000
.... .... 0000 0000 .... .... .... .... = Rx Bitmask Bits 16-23: 0x00000000
0000 0000 .... .... .... .... .... .... = Rx Bitmask Bits 24-31: 0x00000000
.... .... .... .... .... .... .... ...0 = Rx Bitmask Bit 32: 0x00000000
.... .... .... .... .... .... .000 000. = Rx Bitmask Bits 33-38: 0x00000000
.... .... ...0 0000 0000 0000 0... .... = Rx Bitmask Bits 39-52: 0x00000000
...0 0000 0000 0000 0000 0000 000. .... = Rx Bitmask Bits 53-76: 0x00000000
.... ..00 0000 0000 = Highest Supported Data Rate: 0x0000
.... .... .... ...0 = Tx Supported MCS Set: Not defined
.... .... .... ..0. = Tx and Rx MCS Set: Equal
.... .... .... 00.. = Maximum Number of Tx Spatial Streams Supported: 0x0000, TX MCS Set Not Defined
.... .... ...0 .... = Unequal Modulation: Not supported
Tag: Overlapping BSS Scan Parameters: Undecoded
Tag Number: Overlapping BSS Scan Parameters (74)
[Expert Info (Note/Undecoded): Dissector for 802.11 IE Tag (Overlapping BSS Scan Parameters) code not implemented, Contact Wireshark developers if you want this supported]
[Dissector for 802.11 IE Tag (Overlapping BSS Scan Parameters) code not implemented, Contact Wireshark developers if you want this supported]
[Severity level: Note]
[Group: Undecoded]
Tag length: 14
Tag Data: 14000a002c01c800140005001900
Tag: Extended Capabilities (1 octet)
Tag Number: Extended Capabilities (127)
Tag length: 1
Extended Capabilities: 0x01 (octet 1)
.... ...1 = 20/40 BSS Coexistence Management Support: Supported
.... ..0. = On-demand beacon: Not supported
.... .0.. = Extended Channel Switching: Not supported
.... 0... = WAVE indication: Not supported
...0 .... = PSMP Capability: Not supported
..0. .... = Reserved: 0x00
.0.. .... = S-PSMP Support: Not supported
0... .... = Event: Not supported
Tag: Vendor Specific: Broadcom
Tag Number: Vendor Specific (221)
Tag length: 9
OUI: 00-10-18
Vendor Specific OUI Type: 2
Vendor Specific Data: 0200f02c0000
Tag: Vendor Specific: Microsof: WPA Information Element
Tag Number: Vendor Specific (221)
Tag length: 28
OUI: 00-50-f2
Vendor Specific OUI Type: 1
Type: WPA Information Element (0x01)
WPA Version: 1
Multicast Cipher Suite: 00-50-f2 TKIP
Multicast Cipher Suite OUI: 00-50-f2
Multicast Cipher Suite type: TKIP (2)
Unicast Cipher Suite Count: 2
Unicast Cipher Suite List 00-50-f2 AES (CCM) 00-50-f2 TKIP
Unicast Cipher Suite: 00-50-f2 AES (CCM)
Unicast Cipher Suite OUI: 00-50-f2
Unicast Cipher Suite type: AES (CCM) (4)
Unicast Cipher Suite: 00-50-f2 TKIP
Unicast Cipher Suite OUI: 00-50-f2
Unicast Cipher Suite type: TKIP (2)
Auth Key Management (AKM) Suite Count: 1
Auth Key Management (AKM) List 00-50-f2 PSK
Auth Key Management (AKM) Suite: 00-50-f2 PSK
Auth Key Management (AKM) OUI: 00-50-f2
Auth Key Management (AKM) type: PSK (2)
Tag: Vendor Specific: Microsof: WMM/WME: Parameter Element
Tag Number: Vendor Specific (221)
Tag length: 24
OUI: 00-50-f2
Vendor Specific OUI Type: 2
Type: WMM/WME (0x02)
WME Subtype: Parameter Element (1)
WME Version: 1
WME QoS Info: 0x80
1... .... = U-APSD: Enabled
.... 0000 = Parameter Set Count: 0x00
.000 .... = Reserved: 0x00
Reserved: 00
Ac Parameters ACI 0 (Best Effort), ACM no, AIFSN 3, ECWmin 4, ECWmax 10, TXOP 0
ACI / AIFSN Field: 0x03
.00. .... = ACI: Best Effort (0)
...0 .... = Admission Control Mandatory: No
.... 0011 = AIFSN: 3
0... .... = Reserved: 0
ECW: 0xa4
1010 .... = ECW Max: 10
.... 0100 = ECW Min: 4
TXOP Limit: 0
Ac Parameters ACI 1 (Background), ACM no, AIFSN 7, ECWmin 4, ECWmax 10, TXOP 0
ACI / AIFSN Field: 0x27
.01. .... = ACI: Background (1)
...0 .... = Admission Control Mandatory: No
.... 0111 = AIFSN: 7
0... .... = Reserved: 0
ECW: 0xa4
1010 .... = ECW Max: 10
.... 0100 = ECW Min: 4
TXOP Limit: 0
Ac Parameters ACI 2 (Video), ACM no, AIFSN 2, ECWmin 3, ECWmax 4, TXOP 94
ACI / AIFSN Field: 0x42
.10. .... = ACI: Video (2)
...0 .... = Admission Control Mandatory: No
.... 0010 = AIFSN: 2
0... .... = Reserved: 0
ECW: 0x43
0100 .... = ECW Max: 4
.... 0011 = ECW Min: 3
TXOP Limit: 94
Ac Parameters ACI 3 (Voice), ACM no, AIFSN 2, ECWmin 2, ECWmax 3, TXOP 47
ACI / AIFSN Field: 0x62
.11. .... = ACI: Voice (3)
...0 .... = Admission Control Mandatory: No
.... 0010 = AIFSN: 2
0... .... = Reserved: 0
ECW: 0x32
0011 .... = ECW Max: 3
.... 0010 = ECW Min: 2
TXOP Limit: 47
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