if you are calling with a gsm network, it can last upto 4 hours and upto 2.6 hours when wcdma. when in standby time it can last up to 9.3 days in gsm and 8.9 days in wcdma. but, it is hardly achievable and based on 15 minutes of usage a day in stand by time. Talktime and standby time duration can be achieved with a full charged battery.
WCDMA is a higher power transmittion deployed world wide.
GSMI- is a mobile transmittion that is worldwide use and very popular. like what you called operating frequency and triband and quad band phones? ts ubiquity makes international roaming very common between mobile phone operators, enabling subscribers to use their phones in many parts of the world. GSM differs from its predecessors in that both signaling and speech channels are digital, and thus is considered a second generation (2G) mobile phone system. This has also meant that data communication was easy to build into the system.