Make RouterBoard 751G like an antenna

RouterOS Wireless Networking
1

Hi, I have a RouterBoard 751G Mikrotik and i want connect that to my PC by lan and use it like an antenna for 802.11.
Please help me. Should i configure RB or NIC?how?

2

You find good help here:
http://forum.mikrotik.com/t/caravan-wifi/122744/1