Product: Mikrotik LtAP mini LTE kit GSM Router
- modifications: we use external lte antenna.
Our goal: we would like to use the kit as a dual sim router. We made a sim switcher script. We use telnet to log in, and run the sim switch function.
This configuration exists on 38 places in the city, and works well most of the time.
But after a few weeks we had to replace 6 routers because one reason: after rebooting the device, the lte interface is not showing up.
- we tried os update, did not solve the problem
- sometimes (1% of the time) the interface comes alive, but after switching to the other sim or rebooting the device (when the lte interface has to reboot), the lte interface do not comes alives no matter what
- at two of these devices we experienced that, if we insert just one sim card, the interface works. However we have to use 2 sim cards, so we tried again and the interface stopped working with 2 sims.
We used the latest fw at the time (routeros-mipsbe-6.49.2).
I am concerned about the future use of the devices. With one sim card we had no problem in years.
Does anyone had same experience? Or is there anybody who can give some advice?
I can provide more detailed information if needed.
Thank you!