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Watchphoneglobal.com is your all in one source for mobile watch phone news, fashion, trends, lifestyle, and retailer's.
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| Understanding GSM Frequencies |
Watch phones come in a variety and to be certain that
a watch phone will work with your carrier you need to
find out which frequency band your carrier operates on
in your area. First of all, you must have a SIM card. If
your current phone doesn't have one then a watch
phone will not work with your carrier. In the USA cell
phone carriers operate on one of two frequencies, gsm
850 and gsm 1900. T-Mobile exclusively operates on
gsm 1900, which should make it easier for T-Mobile
customer's to find the right cell phone watch. AT&T is a
little different. AT&T operates on both 850 gsm and
1900 gsm. This is very important when choosing a
watch phone. Some AT&T areas operate only on 850
gsm. So if your carrier only offers 850 gsm in your area
you would need a 850/1800/1900 tri-band watch phone
or a 850/900/1800/1900 quad-band watch phone in
order for it to work.
We've made it easy for you to determine which gsm
band your carrier operates on. Just click on the link
www.wirelessadvisor.com
Then enter your zip code and a list of carrier's and
there gsm frequency band in that area will pop up. Find
your carrier and check the gsm frequency they operate
on and then you will be able to select the right cell
phone watch. This link is also provided a watch phone
retailer 3G Watches.
SPRINT- CDMA (NOT GSM) WON'T WORK
VERIZON- CDMA (NOT GSM) WON'T WORK
NEXTEL- IDEN (NOT GSM) WON'T WORK
ALLTEL- CDMA (NOT GSM) WON'T WORK
a watch phone will work with your carrier you need to
find out which frequency band your carrier operates on
in your area. First of all, you must have a SIM card. If
your current phone doesn't have one then a watch
phone will not work with your carrier. In the USA cell
phone carriers operate on one of two frequencies, gsm
850 and gsm 1900. T-Mobile exclusively operates on
gsm 1900, which should make it easier for T-Mobile
customer's to find the right cell phone watch. AT&T is a
little different. AT&T operates on both 850 gsm and
1900 gsm. This is very important when choosing a
watch phone. Some AT&T areas operate only on 850
gsm. So if your carrier only offers 850 gsm in your area
you would need a 850/1800/1900 tri-band watch phone
or a 850/900/1800/1900 quad-band watch phone in
order for it to work.
We've made it easy for you to determine which gsm
band your carrier operates on. Just click on the link
www.wirelessadvisor.com
Then enter your zip code and a list of carrier's and
there gsm frequency band in that area will pop up. Find
your carrier and check the gsm frequency they operate
on and then you will be able to select the right cell
phone watch. This link is also provided a watch phone
retailer 3G Watches.
SPRINT- CDMA (NOT GSM) WON'T WORK
VERIZON- CDMA (NOT GSM) WON'T WORK
NEXTEL- IDEN (NOT GSM) WON'T WORK
ALLTEL- CDMA (NOT GSM) WON'T WORK
| Frequency Bands of Watch Phone in Mhz. |
Dual Band- GSM 900/1800mhz International
Tri-Band- GSM 900/1800/1900mhz International, Most USA
Tri-Band- GSM 850/1800/1900mhz USA, International
Quad-Band- GSM 850/900/1800/1900mhz USA, International
Tri-Band- GSM 900/1800/1900mhz International, Most USA
Tri-Band- GSM 850/1800/1900mhz USA, International
Quad-Band- GSM 850/900/1800/1900mhz USA, International
| What Is GSM? |
GSM (Global System for Mobile communications) is an open,
digital cellular technology used for transmitting mobile voice
and data services.
GSM supports voice calls and data transfer of up to 9.6 kbit/s
together with the transmission of SMS ( Short Message
Service).
GSM networks are located and operated worldwide. While
being the global standard, customer's with GSM carrier's are
able to access the same service when traveling the world.
Translation. Service in over 218 countries. GSM networks
now cover 80% of the worlds population.
digital cellular technology used for transmitting mobile voice
and data services.
GSM supports voice calls and data transfer of up to 9.6 kbit/s
together with the transmission of SMS ( Short Message
Service).
GSM networks are located and operated worldwide. While
being the global standard, customer's with GSM carrier's are
able to access the same service when traveling the world.
Translation. Service in over 218 countries. GSM networks
now cover 80% of the worlds population.
