Improve transmission power

RouterOS Wireless Networking
1

Hi
I have two sxt 5 RBSXT5HPnDr2 connected and the distance is about 1km but devices are not so clear to each other, thus having signal strength (2 LEDS only) are ON and so lose connection sometimes. PLZ help me to reconfig devices to improve antenna power.
Thanks all

2

Move them so they are able to see each other. Lower the modulation and use more narrow frequency bandwidth to get higher frequency density of the signal.

3

thanks for your help
but can u tell me what entries to change in wireless tab in winbox to Lower the modulation and use more narrow frequency bandwidth to get higher frequency density of the signal.
thanks again

4

Try the channel width first.
https://wiki.mikrotik.com/wiki/Manual:Interface/Wireless#General_interface_properties

But note that configuration cannot beat the physics. If there is no clear line of sight with enough space for fresnel zone, you have to move the antennas to better place.