Which LTE external antenna is recommended?

Hybrid Internet from Telekom does not work with a fritz.box. You need the hyBrid router, otherwise it won’t work.

Hybrid Internet from Telekom does not work with a fritz.box. You need the hyBrid router, otherwise it won't work.

That’s exactly how it is. Speedport Hybrid (Pro) or no real hybrid.

Exactly like that. Speedport Hybrid (Pro) or no real hybrid.

As already written, the Speedport Pro has no connection for external antennas, only the older Speedport Hybrid does.

Why actually hybrid? Is the normal DSL connection too slow? Or do you just want LTE as a fallback option?

oh.... I was not aware at all of the incompatibility!

DSL is too bad and cable is not yet available on the street.
Would a pure LTE option also be possible?
What do you think is better?
The LTE reception is excellent there. We have two known LTE antennas nearby, one in sight over a valley.

Congstar now offers a 200 GB plan for exactly such cases. You can even freely split it between "landline" and mobile. For intensive Netflix weekends, a volume-based plan might not be the right choice.

The LTE reception is excellent there.

Do you mean the (measured) data transfer rate or the signal strength? Because those have nothing to do with each other.