[ask]full duplex OSPF on 2,4 GHz wireless

I was traying to create full duplex OSPF in mikrotik, so i’m using 2.4 GHz frekuensi..but i have something problem with my throughput,when i trying to test throughput using bandwith tets on TCP mode…is not higher. this is my screenshoot my router

throughput beetwen receive (rx) and transfer (tx) is not balance. rx result is = 178,7 kbps and tx = 8.0 Mbps…but this condition is very diferent when i try to test throughput using bandiwth tester on UDP mode…i get higher throughput.

what should i do. to get higher throughput in tcp mode.

and this is signal status from my router.

and this one