Which of the following statements are correct regarding CDMA?1. It is similar to GSM.2. It allows each station to transmit over the entire frequency spectrum all the time.3. It assumes that multiple signals add linearly.Select the correct answer using the code given below.

Which of the following statements are correct regarding CDMA?1. It is

1.	Which of the following statements are correct regarding CDMA?1. It is similar to GSM.2. It allows each station to transmit over the entire frequency spectrum all the time.3. It assumes that multiple signals add linearly.Select the correct answer using the code given below.
A.	1 and 2 only
B.	1 and 3 only
C.	2 and 3 only
D.	1, 2 and 3
Answer» D. 1, 2 and 3