Re: cordless and cellular?
cordless: limited distance,bandwidth,data rate.
mobile phone : good data rate, bandwidth,long distance calls.
Added after 4 minutes:
about your question company
what is the difference between GSM, TDMA, FDMA
GSM: global system of mobile communication.
TDMA: time division multiple acsess, number of user can share the same ferquency at difirent times.
FDMA: frequencey division multiple accsess, number of user can talk at the same time with different frecuency.