Poor WiFi Performance

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I'm currently running Ubuntu 14.04 and have Firefly connected to my home network via 802.11n (2.4Ghz).

With "Firefly-RK3288_Server_Ubuntu14.04_201501271052" I'm seeing 300 kB/s - 1 MB/s.

Other devices in the same room get fairly good bandwidth and reception whereas I'm seeing about 1 MB/s with Firefly. I've also noticed poor WiFi performance in Android as well with the "Firefly-RK3288_Android4.4_201501271047.img".

Here's iwconfig. I turned off power management and the signal seems strong.

1. wlan0     IEEE 802.11  ESSID:"ESSID"
   
2.           Mode:Master  Frequency:2.437 GHz  Access Point: XX:XX:XX:XX:XX:XX
   
3.           Bit Rate:39 Mb/s   Tx-Power:32 dBm
   
4.           Retry min limit:7   RTS thr:off   Fragment thr:off
   
5.           Encryption key:off
   
6.           Power Managementmode:off
   
7.           Link Quality=4/5  Signal level=-67 dBm  Noise level=-92 dBm
   
8.           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
   
9.           Tx excessive retries:0  Invalid misc:0   Missed beacon:0

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Using the "Firefly-RK3288_Ubuntu14.04_201501271612.img" image:

1. wlan0     IEEE 802.11  ESSID:"ESSID"
   
2.           Mode:Master  Frequency:2.437 GHz  Access Point: XX:XX:XXX:XX:XX:XX
   
3.           Bit Rate:72 Mb/s   Tx-Power:32 dBm
   
4.           Retry min limit:7   RTS thr:off   Fragment thr:off
   
5.           Encryption key:off
   
6.           Power Management:off
   
7.           Link Quality=5/5  Signal level=-57 dBm  Noise level=-91 dBm
   
8.           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
   
9.           Tx excessive retries:0  Invalid misc:0   Missed beacon:0

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Speed test:

On a Macbook Pro in the same room:

I will test with the latest Android image and update again.

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