Thanks for your reply.

Could you please explain why disabling ESSID broadcast would add
nothing to security? The manual says:

"If you enable "Broadcast ESSID", every wireless station located
within the coverage of this access point can discover this access
point easily. If you are building a public wireless network, enabling
this feature is recommended. Disabling "Broadcast ESSID" can provide
better security."

My network is a private home network, so I want to disable it.

As for IAPP, this is what the manual says:

"If you enable "IAPP", the access point will automatically broadcast
information of associated wireless stations to its neighbors. This
will help wireless station roaming smoothly between access points. If
you have more than one access points in your wireless LAN and wireless
stations have roaming requirements, enabling this feature is
recommended. Disabling "IAPP" can provide better security."

I have only one access point, and my wireless stations do not have any
roaming requirements. That's why I turned it off.

As for encryption and security, both WPA (with a strong passphrase)
and MAC access control are enabled.

Could you also explain what Fast Roaming Threshold is? What value is
recommended for this option? There is no mention in the manual for
this!

Regards
Yousaf