@Sunshine Thanx, I try. To see real difference, it needs longer statistics. More details in private.

@Sunshine Hi! Finally I can send you exact versions of hardware and firmware. Router: Firmware Version: 1.8.0 0.9.1 v0001.0 Build 211220 Rel.70276n Hardware Version: TL-MR3420 v5 00000002 G3/G4...

@walzu Exactly my case, only the distance is shorter - 100 km Initially I used Huawei e5576-32 mobile WiFi. It has battery inside, so it survives power breaks and lost G4 only a couple of times...

@walzu Good luck with programming! Agree, that periodic checking of internet connection and if necessary, resetting/reinitializing USB connection to the modem should be not too difficult. But from...

@Sunshine Hi! Right now I am away from the router but in couple of days I will be able to give more precise answer. I have MR3420 v5. Firmware I do not remember, but latest available by september...

TL-MR3420 with Huawei E3372, 4G, Estonia Periodic disconnection from 4G itself is not a big problem. Big problem is that after loosing 4G connection, it is never recovered. TL-MR3420 web interface...