Question: what is the difference between tata docomo cdma and gsm?
Answer: When it comes to GSM network, users can pick from a wide range of handsets available in the market. ... Each handset is network locked, which means that if you have bought Reliance CDMA handset, you cannot use Tata Indicom network on that. GSM handsets are SIM protected, while CDMA handsets are network protected.