Antenna for RB433AH

Hi,

I am trying to find a best suitable antenna for my 433AH. I am not able to find any other antenna other than Mikrotik
Can any one please suggest a best suitable antenna for for RB433AH.

Right now i am using something that i bought in amazon which doesn’t look perfect fit.
I have two R52H wireless cards in it
Please check the attached screenshot


Please help.

Thanks,
dseknat

These cards sometimes have MMCX connector and sometimes uFL. Just search ebay for any antenna with these connectors, suitable for the frequency that you use.