RBM33G + 2x R11e-LTE6, simultaneous LTE connections?

Hello, i’m pretty new to Mikrotik and I can’t find any “clear” information
As a topic, with a RBM33G + 2x R11e-LTE6 can I archive 2 separate and simultaneous connections (bridging two eth to each LTE module) or it’s possible only failover?

Thank you for any clarification

YES

and simultaneous connections

YES

bridging two eth to each LTE module)

YES

or it’s possible only failover?

You can setup only that.

ROS have got bug… sometimes you must add scheduler to run every 2m this code:

if ([interface get lte2 actual-mtu ] != 1480 ) do={
  log warning "lte2 re-enable"
  system routerboard usb power-reset
  delay 5s;
  log warning "lte1 re-enable"
  interface lte disable lte1;
  interface lte enable lte1;
}

M33G or LtAP with stable v6 and lte1=LTE + lte2=LTE-US

I really recommended to learn and do this one HowTo who have got the best way to use many WAN’s at ones.
Next you can use any method netwatch/script/pcc etc to just flow the outgoing - then this is small stuff.

Bandwidth-based load-balancing with failover. This presentation also covers Mangle.
This was presented at the MUM (MikroTik User Meeting) in New Orelans, USA.
Tomas Kirnak - YouTube: https://www.youtube.com/watch?v=67Dna_ffCvc&t=1s
http://mum.mikrotik.com/presentations/US12/tomas.pdf