Wicd in BT4 live cant find my wifi network in mixed mode. :(

I have rlt8187 (802.11a/b/g) wifi adapter integrated in my laptop and my router Asus RT-N11 (802.11a/b/g/n). I create AP (802.11a/b/g mixed mode, auto channel, WAP2 TKIP).
My smartphone and this laptop with Windows connecting my AP and internet perfectly.
When I boot this laptop with BT4, my Wicd find others available AP's, but cant find my AP.
Wicd also works perfectly via LAN adapter on this laptop and same router.
And only when I change router settings from "802.11a/b/g mixed mode" to "only /n", Wicd on BT4 find up it. But this mode is not supported in my smartphone and some other users.
Can somebody help me?

Has "autochannel" selected channel 13? Move to a channel between 1-11.

Is it selecting channel 13 some kind of known issue? I never saw that before.

"Autochannel" selects channel 1. I already tried to change channels 1-13, but it has not helped. Helps only changing "802.11a/b/g mixed mode" to "only /n". :(

What is, airodump-ng sees packages with such settings (mixed mode) of router!???
May be I need a special the driver rlt8187b?

"Autochannel" selects channel 1. I already tried to change channels 1-13, but it has not helped. (rebooting a router after each change, of course). Helps only changing "802.11a/b/g mixed mode" to "only /n".