I want to change me herelink airunit antenna as they are not convinient for use. Can i made a antenna my self using MMCX connector with 3rd party 2.4ghz wifi antenna? . If yes is there any problem

I want to change me herelink airunit antenna as they are not convinient for use. Can i made a antenna my self using MMCX connector with 3rd party 2.4ghz wifi antenna? . If yes is there any problem