Cell phone systems work making use of signals on specific frequency groups and a phone must support those companies in order to work with the network. Dual-band refers to the mobile phones capability to work with two various artists. It is usually important to state which bands exactly.Systems in different geographical locations function on different bands - GSM systems in the Americas use the 850 MHz and 1900 MHz rings while networks in Europe, Brazil, Asia and Africa make use of the 900/1800 MHz companies.For example an 900/1800 dual-band phone won't function in the People and an 850/1900 phone gained't work in Europe. A 900/1900 phone should function on at minimum one network in almost all countries around the entire world. 0 - 9 A C C D E Y G L I JK L M N O P Q Ur S T U Sixth is v W A.

I'michael searching for a recommendation. I'm looking for a suggestion. Click to expand.It'h not necessarily specifically dual 'SIM' that I require, but I require dual GSM and CDMA energetic support on the phone. Specific CDMA service providers outside the People DO actually use SIMs. I understand professionals on this community forum may not really be conscious of thát, but it's genuine. Verizon and the others in the U.S i9000. Perform NOT use SIMs, certainly.

I desire to be in Latin North america and see á call cóming in ón my Verizon pIan while roaming Vérizon CDMA there ón my Android phoné (Android/Google béing the only 0S one that suppórts wirelessly syncing 11,900 contacts that I have and those 11,900 people have my Verizon U.S. Quantity and contact me) but then not accept the contact (because Verizon costs $2.99/minute to wander where I proceed) and then call back again immediately using my locally obtained GSM SIM without getting to change through the choices. I also don't desire to miss out on nearby calls going to my local GSM quantity.

Because you need a device that can allow for dual-band reception on a GSM and Subscriber Identity Module (SIM) card and most phones sold in the United States are 'locked' into one carrier and SIM card, you'll need to purchase an unlocked cell phone if you hope to get reception in Europe. Newegg.com offers the best prices on computer products, laptop computers, LED LCD TVs, digital cameras, electronics, unlocked phones, office supplies, and more with fast shipping and top-rated customer service. Newegg shopping upgraded ™.

This can presently be achieved by getting TWO cell phones in your wallet which is nuisance to lug around. One cause there may not be even more individuals who express a desire to possess this set up will be that they aren't aware dual GSM/CDMA cell phones is available, nor dual active SIM, etc.