about the 802.11n

[why]

Hi,all. I test the 802.11n. But when I connect the hostap-0.7.3, the speed is only 11Mbps. Where is wrong? Thank you!

interface=wlan0
bridge=br0
driver=nl80211

ssid=11N
channel=6
wmm_enabled=1
ieee80211n=1
ht_capab=[HT40-][LDPC][GF][TX-STBC][RX-STBC123][MAX-AMSDU-7935][DSSS_CCK-40][PSMP][LSIG-TXOP-PROT][SHORT-GI-40][SHORT-GI-20]

wpa=2
wpa_key_mgmt=WPA-PSK
rsn_pairwise=CCMP
wpa_passphrase=wlanwlan
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.shmoo.com/pipermail/hostap/attachments/20111022/ed7b3d4d/attachment.htm