Hi Bob
unfortunately there is nothing related to "Country" nor "Channels" (except ad-hoc channel that don't apply in this case).
30 other settings exist but I have tried many combinations to no avail.
See my settings and comments below:
hopefully someone from BroadCom can figure?
- 20/40 Coexistance = Auto APN is 20/40
- 40MHz Intolerant = Disabled APN is 20/40
- 802.11h+d = Loose 11h no idea
- 802.11h Preable =Auto no idea
- Antenna Diversity = Auto
- AP Compatibility Mode = Higher Performance tried Broader Compatibility
- ARP Offload = Enabled no applicable 'cause layer1 is not up anyway
- Associated Roaming Preference = Disabled not applicable, not a roaming issue
- Band Preference = Prefer 802.11b/g who wants to prefer 11a these days?
- Bandwidth Capability = 11a/b/g:20/40MHz
- BeamForming = Enabled tried disabling
- BlueTooth Collaboration = Enable WTH? But tried disabling
- BSS PLCP = Auto (Short/Long) no idea
- BT-AMP = Disabled
- Disable Bands = 802.11a I mean it
- Disable Upon Wired Connect = Disabled there no wired BCM anyway
- Fragmentation Threshold = 2346
- IBSS 54g(tm) Protection Mode = Auto
- IBSS mode = 802.11a/b/g/n Auto
- Locally Administered MAC Address = Not Present but wow, not seen in years
- Minimum Power Consumption = Disabled
- Mixed Cell Support = Enabled
- NS Offload = Enabled
- Power Ouput = 100%
- Priority and VLAN = Disabled
- Rate (802.11a) = Best Rate
- Rate (802.11b/g) = Best Rate
- Roam Tendency = Auto
- Roaming Decision = Auto
- RTS Threshold = 2347
- Short GI = Auto no idea
- Wake On Magic Packet = Disabled no hpottery here
- Wake on Pattern Match =Disabled
- WiFi Rekeying Offload = Enabled hopefully not overseas
- WMM = Auto
- WZC IBSS Channel Number = 157 (40MHz-L)
- XPress (TM) Technology = Disabled tried enabling
Driver Provider = Broadcom
Driver Date = 12/03/2015
Driver Version = 7.35.118.32