Wireless Phone Service Provider : Use Wireless Router As Wireless Adapter.
Why US cellular service sucks
These are indoor cellular antennas ... they look like small smoke detectors. You will find them in places like office buildings, restaurants, tunnels, elevators, and other indoor areas where the outdoor cell towers may have poor coverage. The antenna in the upper right belongs to the major GSM provider in Thailand. The other antenna is for a smaller CDMA provider. They provide a coverage area of about a 200 meter radius. Thailand has a population of about 60 million people, and has 4 major cellular providers. Cellular operators in Asia and Europe install these antennas so that they can earn more revenue from phone calls. They also install them because if their coverage is perceived as spotty or poor, the subscriber can change to another cellular operator by simply picking up the phone and canceling their contract. There is no penalty or fee to cancel a post paid cellular contract. Your cell phone belongs to you, and it can be used by any GSM service provider by simply switching SIM cards. This is called "competition". In the US, there is no need to install antennas like this, because there is no need to improve service. They have you committed to a multi-year contract, so you are stuck. Cellular companies that have kiosks in the shopping mall actually show maps of where coverage is "spotty". People are heard to say "my house is in a bad area for cellular coverage". In the US, most people are not willing to pay the huge fee associated with canceling a service contract and switching providers. This is called an "oligopoly". As an example of a typical post-paid cellular account in Thailand: There is no fee to cancel, and I pay 3 cents a minute to call any landline or cellular phone in Thailand, and 2 cents a minute to call people in my group (similar to "friends and family in the US). In most countries, a "local" call means anywhere inside that country, and the rate is the same. Incoming calls and incoming SMS's to your cellphone are always free, as is true in most countries. It is 3G, so I have Internet and video calls are supported as well. 3G has been available in Asia since 2005. I told this to a guy in a cellular kiosk in Denver once (you know the guy....the one who says "hey buddy, what provider are ya usin?" as you walk by). He told me "well, they operate on a different business plan over there". Yes, obviously. It`s called `competition` and it results in quality network coverage and lower-cost and expanded services.Cell phone
A cell telephone is a long-range, portable electronic device for personal telecommunications over long distances. The phones have a low-power transceiver that transmits voice and data to the nearest cell sites, usually 5 to 8 miles (approximately 8 to 13 kilometres) away. When the cellular phone or data device is turned on, it registers with the mobile telephone exchange, or switch, with its unique identifiers, and will then be alerted by the mobile switch when there is an incoming telephone call. The handset constantly listens for the strongest signal being received from the surrounding base stations. As the user moves around the network, the mobile device will "handoff" to various cell sites during calls, or while waiting (idle) between calls it will reselect cell sites. Cell sites have relatively low-power (often only one or two watts) radio transmitters which broadcast their presence and relay communications between the mobile handsets and the switch. The switch in turn connects the call to another subscriber of the same wireless service provider or to the public telephone network, which includes the networks of other wireless carriers.
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