Can help me to best router adjusment :(

RouterOS Beginner Basics
1

Hey,
I just installed (mANT30 PA) with (NetBox 5) connected to (QRT-5 AC) the distance between these is around 13 KM.
the purpose of this project to transfare the internet from one place to other.
I got this signals :
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but the problem that my internet speed in the base is more than 40MB and its deliver only 12MB.
what improvement should i do to my signal to get better speed ?

Thanks.

2

Make sure ‘chain0’ and ‘chain1’ are enabled for both ‘Tx Chains’ and ‘Rx Chains’ on the wireless intereface settings.

After a clean reset on the device I have found that only one chain for Tx and Rx was on for me.

3

Thanks for your replay, i checked the ‘chain0’ and ‘chain1’ and both are enabled.
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also i attached the setting for base and station :
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