Answer:
d. 3.4 - 6.7 GHz
Step-by-step explanation:
IEEE classifies electromagnetic spectrum into multiple bands by frequency range:
These include the following(from 0.003 GHz - 300 GHz):
Of these C band has the frequency range between 3.4-6.7 GHz.
The C Band is utilized by several satellites and radar platforms. Some wireless devices,cordless telephones and medical equipments also make use of C band frequencies in the 5.8GHz ISM range.