WiFi two devices not a bug

PaulF8080 · Published in 2015-12-18 03:13:27

Edited by PaulF8080 at 2015-12-17 17:44

I was very surprised to see the wifi  chip is MIMO multi-in multi-out on my OPI Plus

I got separate IP addresses on the two wifi connections
root@OrangePI:~# ifconfig
eth0    Link encap:Ethernet  HWaddr 06:2e:dd:26:89:08
      inet addr:192.168.1.115  Bcast:192.168.1.255  Mask:255.255.255.0
      inet6 addr: fe80::42e:ddff:fe26:8908/64 Scope

ink
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:14813 errors:0 dropped:0 overruns:0 frame:0
      TX packets:1935 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:3068988 (2.9 MiB)  TX bytes:159356 (155.6 KiB)
      Interrupt:114

lo       Link encap

ocal Loopback
      inet addr:127.0.0.1  Mask:255.0.0.0
      inet6 addr: ::1/128 Scope:Host
      UP LOOPBACK RUNNING  MTU:16436  Metric:1
      RX packets:8 errors:0 dropped:0 overruns:0 frame:0
      TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:0
      RX bytes:1104 (1.0 KiB)  TX bytes:1104 (1.0 KiB)

wlan0    Link encap:Ethernet  HWaddr 58:63:56:c8:ec:1b
      inet addr:192.168.1.11  Bcast:192.168.1.255  Mask:255.255.255.0
      inet6 addr: fe80::5a63:56ff:fec8:ec1b/64 Scope

ink
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:32869 errors:0 dropped:2 overruns:0 frame:0
      TX packets:51 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:5186583 (4.9 MiB)  TX bytes:6562 (6.4 KiB)

wlan1    Link encap:Ethernet  HWaddr 5a:63:56:c8:ec:1b
      inet addr:192.168.1.97  Bcast:192.168.1.255  Mask:255.255.255.0
      inet6 addr: fe80::5863:56ff:fec8:ec1b/64 Scope

ink
      UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
      RX packets:299 errors:0 dropped:31863 overruns:0 frame:0
      TX packets:24 errors:0 dropped:0 overruns:0 carrier:0
      collisions:0 txqueuelen:1000
      RX bytes:76738 (74.9 KiB)  TX bytes:3377 (3.2 KiB)

eliafino · Published in 2015-12-18 19:09:36

Great!
Thank you very much!!!

trucel@qq.com · Published in 2015-12-19 17:08:15

but i saw only one antenna on the plus board

PaulF8080 · Published in 2015-12-19 17:36:53

trucel@qq.com replied at 2015-12-19 01:08
but i saw only one antenna on the plus board

That puzzled me, too. I thoght I would give it a try and it worked. I connected to my router and the neighbor's open router. Now I am thinking it receives several signals on one antenna. Why not send signals on two channels(frequencies) with one antenna?