Other laptop with 8260 v20.70.19.1 (fast performance)
Home-AP2#show dot11 assoc 34f3.9a00.2c42
Address           : 34f3.9a00.2c42     Name             : Home-AP2
IP Address        : 192.168.1.81       IPv6 Address        : FE80::C016:7D3C:2094:6611
Gateway Address   : 0.0.0.0
Netmask Address   : 0.0.0.0            Interface        : Dot11Radio 1
Bridge-group        : 1
reap_flags_1        : 0x0     ip_learn_type       : 0x0       transient_static_ip : 0x0
Device            : ccx-client         Software Version : NONE
CCX Version       : 4                  Client MFP       : Off

State             : Assoc              Parent           : self
SSID              : NETGEAR29-5G
VLAN              : 1
Hops to Infra     : 1                  Association Id   : 7
Clients Associated: 0                  Repeaters associated: 0
Tunnel Address    : 0.0.0.0
Key Mgmt type     : WPAv2 PSK          Encryption       : AES-CCMP
Current Rate      : a6.2b8               Capability       : WMM 11h
Supported Rates   : 6.0 9.0 12.0 18.0 24.0 36.0 48.0 54.0 m0-4 m1-4 m2-4 m3-4 m4-4 m5-4 m6-4 m7-4 m8-4 m9-4 m10-4 m11-4 m12-4 m13-4 m14-4 m15-4 a0.1-8 a1.1-8 a2.1-8 a3.1-8 a4.1-8 a5.1-8 a6.1-8 a7.1-8 a8.1-8 a9.1-8 a0.2-8 a1.2-8 a2.2-8 a3.2-8 a4.2-8 a5.2-8 a6.2-8 a7.2-8 a8.2-8 a9.2-8
Voice Rates       : disabled           Bandwidth        : 80 MHz
Signal Strength   : -66  dBm           Connected for    : 141 seconds
Signal to Noise   : 24  dB            Activity Timeout : 49 seconds
Power-save        : Off                Last Activity    : 1 seconds ago
Apsd DE AC(s)     : NONE

Packets Input     : 12067              Packets Output   : 75876
Bytes Input       : 2548569            Bytes Output     : 106015115
Duplicates Rcvd   : 12                 Data Retries     : 2443
Decrypt Failed    : 0                  RTS Retries      : 0
MIC Failed        : 0                  MIC Missing      : 0
Packets Redirected: 0                  Redirect Filtered: 0
IP source guard failed : 0             PPPoE passthrough failed : 0
DAI failed : IP mismatch  : 0             src MAC mismatch : 0             target MAC mismatch : 0
Existing IP failed :  0              New IP failed :  0
Client Vlan      : 0
11w Status       : On
Client SGT             : 0
Session timeout   : 0 seconds
Reauthenticate in : never