1> cdma stands for code division multiple access; its

frequency 800 mhz and 1900 mhz

2>channel bandwidth 12mhz with 1.25mhz for spread spectrum

3>in cdma we allocate a unique code to the user separately

and allocate the total bandwidth to the user.

4>in gsm we divide the bandwidth into many time slots and

allocate each time slot to the user.