v1.1 - 6 antennas
Hi
I have the latest fw 02.04.2014 Firmware. Only having N clients for 300 Mbit 5 GHz and 2,4 GHz.
No problems so far - but i have to say; 5 GHz is much weaker signal than 2,4 GHz. Higher link speed but weaker signal strenght.
I've soldered 3 identical 5 dbi antennas...