which two frequency ranges?

The Cisco 3200 Series mobile access router has integrated wireless support for which two
frequency ranges? (Choose two.)

A.
2.400 to 2.4835 GHz

B.
5.150 to 5.250 GHz

C.
5.725 to 5.825 GHz

D.
4.940 to 4.990 GHz

E.
900 to 928 MHz