Does Sony or LG manufactures a mobile phone, which supports GSM & CDMA in one?

Question

Please specify the model name..if you know any..

Thanks

Answer 1

yes,they change to gsm when they are close to a gsm tower.I think all cdma are duo band and some are tri band.Dont buy a cdma at the moment because they are on there way out,g3 is replacing them soon

Answer 2

GSM is a worldwide universal that works almost everywhere in the international - provided your telephone is the amazing frequency band. in the states those vendors are frequently Cingular and T-cellular. GSM telephones have SIM chips to authenticate the person (your telephone variety) and customarily have greater velocity records than CDMA telephones (on the instant). The GSM community has records commencing from GPRS to part to UMTS to HSDPA (a million.8/3.6mbps). CDMA is used predominately by utilising Verizon instantaneous right here in the states. on a similar time because it somewhat is a great protocol, it somewhat is totally proprietary in which you incredibly ought to apply a Verizon telephone - you are able to not use any GSM telephone you will like and stick your SIM card in. The CDMA community does have Analog areas by using the rustic, and in my very own studies has decrease voice high quality than GSM telephones.