much difference between tx / Rx

someone who helps me, or who happens the same …

I have some antennas that have a lot of difference between the rx and the tx and I do not know how to fix it

this is my cpe client configuration, sxt lite 5 ac


/interface wireless
set [ find default-name=wlan1 ] ssid=MikroTik
set [ find default-name=wlan2 ] band=5ghz-a/n/ac country=spain
default-authentication=no disabled=no frequency=5500 frequency-mode=
regulatory-domain nv2-preshared-key=GWfnonqIwaNVhr0 nv2-security=enabled
radio-name=prueba ssid=“” wireless-protocol=nv2
wps-mode=disabled
/interface ethernet
set [ find default-name=ether1 ] advertise=
10M-half,10M-full,100M-half,100M-full,1000M-half,1000M-full

/interface pppoe-client
add add-default-route=yes disabled=no interface=wlan2 name=pppoe-out1
password=bore1c use-peer-dns=yes user=prueba

/interface list
add exclude=dynamic name=discover

/interface wireless security-profiles
set [ find default=yes ] supplicant-identity=MikroTik

/ip pool
add name=dhcp_pool1 ranges=192.168.1.100-192.168.1.254

/ip dhcp-server
add address-pool=dhcp_pool1 disabled=no interface=ether1 name=dhcp1

/interface wireless connect-list
add comment=“SECTOR PRINCIPAL” interface=wlan2 security-profile=default ssid=
pruab1 wireless-protocol=tdma
add comment=“SECTOR BACKUP” interface=wlan2 security-profile=default ssid=
pfudb2 wireless-protocol=tdma
/ip address
add address=192.168.1.1/24 interface=ether1 network=192.168.1.0
/ip dhcp-server network
add address=192.168.1.0/24 dns-server=192.168.1.1 gateway=192.168.1.1
/ip dns
set allow-remote-requests=yes
/ip firewall filter
add action=drop chain=input comment=“bloquear dns cache desde exterior”
dst-port=53 in-interface=pppoe-out1 protocol=udp
/ip firewall nat
add action=masquerade chain=srcnat comment=“masquerade red interna”
out-interface=pppoe-out1 src-address=192.168.1.0/24

/ip upnp
set enabled=yes
/ip upnp interfaces
add interface=ether1 type=internal
add interface=pppoe-out1 type=external

/system identity
set name=prueba