as input pictures above, whats the point of the 4 inputs if only 2 work? there doesnt seem to be any gain difference. I have this issue on 4 RUTX50 routers 2 of which use the 5G XPOL Poynting 4x4 … 1 using 2 x Fullband FBXPMIMO 8dbi cross polarised outdoor & the last using the internal antenna supplied. is there configuration for these ports or a specific way to connect as have tried multiple variations often with 4 ports connected signal gets worse! Additional to this 5G only seems to pick up when the outer left is connected??
any help advice would be appreciated,
Hi, check this post:
See my last two posts on another topic, regarding antenna connections:
All SMA ports work, but if your base station operates in only 2x2 MIMO mode, the modem will only use the first and second SMA connectors on the left, the other two SMAs are used if the base station operates in 4x4 MIMO mode.
have tried various combinations with no success… attached the cell values that cover the area in question… i can only access the lower speed ie cell map02… how can I adjust settings so the router will just find specific cell map 01 values??
also - have now tried the internal plastic aerials that come with unit and there is little difference between them and the external aerials??
Have you tried what?
The cell speeds shown by cellmapper are unreliable.
You can try cell lock but for that you need to have some knowledge.
ubus call gsm.modem0 exec '{"command":"AT+QNWLOCK=\"common/4g\",1,EARFCN,PCI"}'
EARFCN - written in the cellmapper, it normally represents the frequency. You should enter 1617 there
PCI - it’s a direction, the same is written in cellmapper, e.g. 232 (you have to make sure it’s the direction facing your location)
Go to System > Maintenance > CLI.
Enter the root and password you used to log into the RUTX50 web UI.
Adapt and paste this cell lock command (I adapted it according to one of your images):
ubus call gsm.modem0 exec '{"command":"AT+QNWLOCK=\"common/4g\",1,1617,232"}'
Hit enter and see what yours shows under Status > Network > Mobile
If there is no network, you can cancel the cell lock command by typing the command in the CLI:
ubus call gsm.modem0 exec '{"command":"AT+QNWLOCK=\"common/4g\",0"}'
Or restart the entire router, the cell lock will be forgotten and the modem will connect to any cell.
What is your signal strength under Bands in Status > Network > Mobile?
The internal antennas that come with the router (4 omni antennas) have a low gain, 4dBi.
Your external ones have 8dBi, so they are stronger than the internal antennas and must be mounted outside.
so one last question? having exhausted all possible settings - aerial combinations I seem to have come to a natural end to testing, however, the odd thing is when I run speed test, the initial speed shoots to approx 40mbs then slowly pulls back to 18 - 20 each time? is there any reason for this in the settings??
Maybe you have a tariff that has limited speed?
Do you know which 4G tower you are connected to (eNB)?
Maybe you are connected to a more distant tower or it is congested.
Have you tried the same SIM card in another device (another 4G/5G router or mobile phone)?
If the other device gives higher speeds, then you probably have a problem with the antenna connected to the RUTX50 or you are connected to a different tower.
You did not attach a picture of which bands the RUTX50 aggregates and what the signal strength is because that is how we know if that antenna is working.
You can see this under Status > Network > Mobile. In the picture, blur the IMSI, ICCID, IP address fields