You’re not alone. Almost every cell phone user has wondered at one point whether different GSM and CDMA phone frequencies will affect their usage, when they travel overseas (roaming). And every business person looking to start a mobile phone business has to deal with the question of which cellular frequencies will work best for their customers in different countries and regions.
Chinavasion phones are made in China, designed to work in several or all world GSM regions.We’ve put together some answers to frequently asked questions to make your choice easier. We want to make sure you get the right unlocked phone with the correct cell phone frequency, for your use, or your market.
Click here to jump straight to our summary of which phones work in which country.
Multi Band Cell Phones And Cell Phone Frequencies: Frequently Asked Questions
The frequency of GSM and CDMA phones differs, with most GSM networks around the world around the world being 850 MHz, 900 MHz, 1800MHz and 1900 MHz.
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GPRS is commonly used with GSM cell phones. GPRS allows phones to download data faster and is often described as 2.5G technology as a result (similar to the EDGE standard used on 2G and 3G iPhones) GPRS provides data transfer rates from 56 up to 114 kbit/s.
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Finding out which GSM mobile frequencies are used in your area is very easy to do.
You can simply call your local GSM service provider or visit your GSM server website and ask them which GSM band frequencies they are using.
You can also check GSM band reference sites like Wikipedia and World Time Zone.
Checking the frequency of the phone - example:
I can see from the cell phone product description on Chinavasion, just above the photos,
that the phone works on the 900MHz and 1800MHz frequencies:
If you're looking for the phone with the right GSM frequency then scroll down the page and check out the writing above the photographs.
Now if I go to a site like World Time Zone and scrolled down to that country I will see that the GSM band frequencies 900 MHz, 1800MHz, 3G, 2100 and 3G 850 work in this country (depending on the network I choose to use). Now I can make my purchase with confidence. I know for certain that when my new cell phone arrives I can simply slide my SIM card in and start talking.
Read on for lists of networks in common Chinavasion customer countries...
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Want to skip the map and go exactly to the frequencies used in your country? Click on the link to see which mobile carriers are in which country and which GSM mobile frequencies they use:
There are cell phone frequency charts out there on the internet but to make things easier we have included two resources that we hope will be very useful, a GSM frequency map and a cell phone frequency chart to show you which mobile network provider uses which frequency.
Here’s a GSM frequency map that should work as a quick guide of the mobile frequencies from around the world
[click map to expand]
Sometimes knowing which frequencies work in which countries is not enough. Here is a list of the carriers in each of the countries and the cellular frequencies they use
It doesn't matter what GSM frequency your cell Chinavasion stocks unlocked cell phones that work in almost every country and for almost every situation.
It doesn't matter if you're in Angola, Amsterdam or Argentina, one of our dual band, tri band or quad band phones will have you covered.
Finding the phone with the right frequency is as easy as typing in the frequency into the search bar on the top of every Chinavasion page will show you the phones that work with that frequency.
A quick search for 850 MHz might give you a result like this one
But what can you do if you don't know what GSM Band frequency your customers want? Thankfully there is a complete range of multi band cell phones available that will let you cover your bases. Take, for example Chinavasion's list of dual band phones, tri band phones and quad band phones.Dual band phones come in all sorts of shapes and sizes.
Tri band phones come in all sorts of shapes and size and are usually a safer option for people trying to start a mobile phone business online.
If you are looking to start a mobile phone business online then quad band phones are a great place to start because they won't give you the GSM frequency incompatibility issues that dual band or tri band phones might give you.
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