XR3 frequency offset?

Good morning,

I have recently purchased a couple of 324M cards. I think I have the primary gateway system setup the way I need it except I need to offset the frequency by 5 mhz or find a way to manually allow channel 154 with a 20 mhz bandwidth block. Is there anyway to do this? The setup is two XR3 radios with one XR9 radio. The service set is on the XR9 and I have one XR3 setup as a service set with a ssid and the other XR3 performing mesh downlinking with a different SSID. Orginally, I was wanting to set one XR3 to uplink and one to downlink but this is the main gateway so I thought putting a service set on one card would be better. I'm not sure if both cards can be set to downlinking anyway. Thanks in advance for any help.

As a side question, Could I set one XR3 to uplink and one to downlink with 10mhz channels with same ssid and configure a station unit with one card to 20 mhz performing both uplink and downlink functions?

If any questions please feel free to ask I will try my best to clearify.

Anthony

Replies

Hello Anthony,

It is possible to modify the existing channel's frequency with channattr keys. More about them find here: http://www.wiligear.com/wiki/index.php/WILI-S_5.26_Reference_Manual#Wire...

For example you have channels with frequencies (US country code):
...
5.765 GHz (Channel 153)
5.785 GHz (Channel 157)
5.8 GHz (Channel 160)
5.805 GHz (Channel 161)
5.825 GHz (Channel 165)

And want to have
5.770 GHz (Channel 153)
5.790 GHz (Channel 157)
5.810 GHz (Channel 160)
5.830 GHz (Channel 161)
5.850 GHz (Channel 165)

Then need to add such configuration via expert mode:
radio.1.chanattr.1.bw=full
radio.1.chanattr.1.channel=153
radio.1.chanattr.1.freq=5770
radio.1.chanattr.1.status=enabled

radio.1.chanattr.2.bw=full
radio.1.chanattr.2.channel=157
radio.1.chanattr.2.freq=5790
radio.1.chanattr.2.status=enabled

radio.1.chanattr.3.bw=full
radio.1.chanattr.3.channel=160
radio.1.chanattr.3.freq=5810
radio.1.chanattr.3.status=enabled

radio.1.chanattr.4.bw=full
radio.1.chanattr.4.channel=161
radio.1.chanattr.4.freq=5830
radio.1.chanattr.4.status=enabled

radio.1.chanattr.5.bw=full
radio.1.chanattr.5.channel=165
radio.1.chanattr.5.freq=5850
radio.1.chanattr.5.status=enabled

IMPORTANT: you cannot choose channel numbers randomly, use only existing channel number. It differs on each country code. Also if want to connect two radios, both radios must have same chanattr configuration. Otherwise the radios will not link.
Aslo if you try to use the skin for radio configuration it will rewrite chanattr settings and after save the custom frequencies will be lost.

What radio are you using exactly? It is free frequency modifications according to the datasheet. For example, XR3-3.5 range is 5400-5700 (without frequency offset). So please use it accordingly to datasheet range for the maximum performance.

Regarding mesh units configuration, only one uplink and several downlinks can be configured per unit. Also for main mesh gateway is not necessary uplink, so it can have second downlink or service set.


As a side question, Could I set one XR3 to uplink and one to downlink with 10mhz channels with same ssid and configure a station unit with one card to 20 mhz performing both uplink and downlink functions?

Yes, this configuration is possible. But I need to clear when you saying "10mhz channels" you mean channel separation or channel bandwidth ?