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The telephone company GSM provide a range of phone network services. The use of a SIM card in GSM allows users to maintain a high-level of security, particularly of personal data.
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What network does the tmobile cell phones operate on?
Tmobile cell phones operates on the GSM networks. They have a wide range or cellular phones that are androids. they also have great cell phone plans that are affordable for single persons and groups.
What brands of cell phones work with MetroPCS?
MetroPCS is a prepaid wireless provider that uses the GSM network, meaning any GSM-compatible phone should work with MetroPCS. Some popular brands that are compatible with MetroPCS include Apple (iPhone), Samsung, LG, Motorola, and Google (Pixel). However, it is always best to check with MetroPCS or the specific cell phone manufacturer to ensure compatibility before purchasing a new phone.
Where can one purchase cell phones with no contract?
No contract cell phones can be a useful purchase, as they allow one to obtain a cellular phone without being required to keep a certain service for a long period of time. In the United States, there are a few ways to obtain a cell phone without contract. One is to purchase the device unlocked, and then go to a provider and sign up for a month-to-month service. T-Mobile, a GSM provider, has given a separate option, in that a user is never constrained to a service contract in their plans.
How can someone tell if a cell phone is being tapped?
There usually will not be obvious signs of a trace. If your phone is warm when it shouldn't be, or has dramatically decreased battery life with no increase in usage, it might be bugged. Also, if you have a GSM phone, and your phone causes speakers (e.g. from a stereo or computer) to buzz when you are not on a call, then it might be tapped. Of course, there are other reasons that could cause any of the above situations.
Gsm 900 vs gsm 1800?
GSM-900 and GSM-1800 are used in most parts of the world: Europe, Middle East, Africa, Australia and most of Asia. In South and Central America the following countries use the following: : :* Costa Rica - GSM-1800 :* Brazil - GSM-850, 900 and 1800 :* Guatemala - GSM-850, GSM-900 and 1900 :* El Salvador - GSM-850, GSM-900 and 1900 GSM-900 uses 890-915 MHz to send information from the mobile station to the base station (uplink) and 935-960 MHz for the other direction (downlink), providing 124 RF channels (channel numbers 1 to 124) spaced at 200 kHz. Duplex spacing of 45 MHz is used. Guard bands 100 kHz wide are placed at either end of the range of frequencies[1]. : In some countries the GSM-900 band has been extended to cover a larger frequency range. This 'extended GSM', E-GSM, uses 880-915 MHz (uplink) and 925-960 MHz (downlink), adding 50 channels (channel numbers 975 to 1023 and 0) to the original GSM-900 band. The GSM specifications also describe 'railways GSM', GSM-R, which uses 876-915 MHz (uplink) and 921-960 MHz (downlink). Channel numbers 955 to 1023. GSM-R provides additional channels and specialized services for use by railway personnel. : All these variants are included in the GSM-900 specification. GSM-1800 uses 1710-1785 MHz to send information from the mobile station to the base tranceiver station (uplink) and 1805-1880 MHz for the other direction (downlink), providing 374 channels (channel numbers 512 to 885). Duplex spacing is 95 MHz. : GSM-1800 is also called DCS (Digital Cellular Service) in the United Kingdom, while being called PCS in Hong Kong[2] (not to mix up with GSM-1900 which is commonly called PCS in the rest of the world.)
Will your quad-band cell phone work in Singapore?
Yes. They have the GSM network.
Do BB9B cell phone support 3G network?
no ,it only support gsm. not cdma not 3g network
What are GSM fax machines?
A GSM fax machine is that a fax machine that connects to the phone network through GSM (Global System for Mobile) (aka cell phone technology).
What are GSM cell phones?
GSM is a cellular network and mobile phones connect to it by finding other GSM phone in the area. These phones are spread across 212 countries and territories and work whereever there is another GSM phone in the vicinity. The coverage area of each phone is also dependent on the cell size.
Why does rogers cell phone service have no service a lot of the time?
This should be improved as they have switched to a GSM network.
What use is CDMA in mobile?
CDMA is a type of network that cell phone company's use. There are to meager types of networks that are used CDMA and GSM. Cell phone are usally made to work on one or the other network. The Iphone is GSM and Verizons Dare is CDMA but some phone can work on both like the new Blackberry storm.
Can you convert gsm phone to CDMA?
It depends if the phone is compatible with a gsm network if so it has to be unlocked
What network uses radio waves instead of wires or cables?
WiFi, WiMax, and the two cell phone networks: GSM and CDMA
Can a Blackberry Pearl 8100 with an unlocked GSM sim card work on a Rogers plan?
There are two types of cell phone networks, GSM and CDMA. As long as the network you are trying to move your unlocked phone to is compatible then yes it will work. In most cases a GSM phone will not work on a CDMA network and vise versa, however, some careers (such as Verizon) have support signals for GSM phones. There is no support for CDMA phones on a GSM network at this time. So for overall versatility, GSM phones are better.
Who knows if BB9B cell phone work with ATT and T-Mobile?
bb9b cell phone is unlocked cell phone. it work with att & tmoble. i guess it works with all gsm network, but i never test it. anyone else?
What is a gsm cell phone?
The term GSM stands for "Global System for Mobile Communications." This is perceived as the world's most widely used cell phone technology. Specifically, a GSM cell phone offers the advantage of using SIM (Subscriber Identity Module) cards in the United States. The SIM card, which acts as a digital identity, is tied to a cell phone service carrier's network rather than to the handset itself. This allows for easy exchange from one phone to another without new cell phone service activation.
When was come first cell phone in India?
The first cell phone in India was supposedly used in 1995. It was used in Kolkata via a mobile network from the Australian phone company Telstra known as MobileNet GSM.
