Beacon from my home AP in case it helps:
20:29:53.785848 802.11 flags=0<>: beacon, timestamp 6134271936059,
interval 100, caps=21<ESS,PRIVACY>, ssid (DATENMOPED), rates 6M 9M 12M
18M 24M 36M 48M 54M, ds (chan 36), tim 0x00020000, country 'US ',
channels 36-39 limit 17dB, channels 52-55 limit 23dB, channels 149-153
limit 30dB, rsn 0x0100000fac040100000fac040100000fac020c00,
htcaps=<20MHz,LDPC,SGI@20MHz,SGI@40MHz,TXSTBC,RXSTBC 1 stream,A-MSDU
3839,DSSS/CCK@40MHz,A-MPDU max 65535,A-MPDU spacing 8.00us,RxMCS
0xffffff00000000000000>, htop=<20MHz chan 36,STA chanw 20MHz,protect
non-HT,non-greenfield STA,non-HT STA,basic MCS set 0x0000000000000000>,
127:8 0x0000000000000040, vendor
0x0050f2020101800003a4000027a4000042435e0062322f00, <radiotap v0, tsf
6134271936011, 6Mbit/s, chan 36, 11a, sig -40dBm, noise -91dBm>
