Best compatible of switch for groove and sxt

hi anybody face some trouble on mikrotik device groove and sxt on my wireless network system.use cat6 utp cable with 40meter trouble that voltage is so good but check bandwidth with mikrotik btest software from laptop to groove or sxt tcp port not so good test just arround 1 or 2 mbps with flux and change the switch other company little bit diffrence each other but bad and changing with cat6 cable many brand ploblem still my network whats my problem plz some body solve my problem

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