Actually yung ng default niya. Ng pwede palitan is yung range. from 25% to 100%.I ko ma locate yung frequency ng device saan ma nka lagay?
As i said before , you cannot change it. Because the frequency was set into default. And cannot be changed. Understood?Ur talking about pocket wifi right ? But how to change it .

Exactly. Pero kung bibili ka ng another router with 5ghz band sa wifi. Lalakas ng range or sagap ng wifi mo. Wag lang 60GHz , kasi kapag puno ng natatamaan or nakaharang , mahina na agad ng signal.Hahaha yeah . It mean 4x yung lakas ng signal gathering ng modem kisa pocket wifi XD