Rak7249 antenna installation

is it necessary to connect all 5 antennas as per documentation ? I only need to connect LORA and LTE

Hi @abhishek2101,

You can use a matching load instead of the antennas if you like:
https://www.annew-tech.com/products/rf-load-terminal/?gclid=Cj0KCQjwpPHoBRC3ARIsALfx-_KAPbrRu3w3B39mweiLJJdspVxEGZXpGQrQ0_gvtjWFc3MMYOWNB2EaAm2FEALw_wcB

I would not recommend leaving the ports unconnected.

Regards
Vladislav