5Ghz radio not visible in phone but visibile in laptops

My 5 GHz radio is not vissible in mobile phone but working fine in laptops in same place ?
what might be the reaason ?

Mobile phone is dual band?

yes, once it was connected but not showing now.

Could you please email tech-support of device and Mobile MAC to shashank.tadakamadla@cambiumnetworks.com

Thank You.