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T mobile has 8000 towers to support its wide range of customers who are located through the United States. They are increasing the number of towers to compete with their rivals Verizon.
there is no service or you are too far from a tower Cell phones communicate with radio towers that are called cell towers, their signal can go only so far based on their power and physical obstacles which in some cases can be buildings. Usually dead spots are due to being in an area that does not receive an adequate signal from one or more cell towers.
Cell phone usage and cell phone towers have been linked to the confusion and destruction of many insect species. Without bees, we can't grow food, so we need to rethink some of our technology.
Cell phone service providers offer a variety of plans and rates for their customers. The competitive market led to new cell phone companies tapping into a different consumer market, offering the best cell phone plans. Many of these organizations rent cell phone towers from bigger cell phone service providers and offer low-cost cell phone plans. Many of these low-cost plans have no contract requirements, and offer unlimited texting and calling.< /p>
Cell phone towers can have several disadvantages, including potential health concerns due to exposure to radiofrequency radiation, although research is inconclusive. They can also impact local aesthetics and property values, as many people find them unsightly. Additionally, the construction and maintenance of cell towers may disrupt local wildlife and ecosystems. Lastly, they can pose challenges for land use and zoning, leading to community opposition.
By BTS, do you mean Base Transceiver Station? Such equipment can be found in cell phone towers. Usually a BTS runs on 48V DC.
The idea of a cell phone actually began with police radios in the 1930's, but the first working cell phone was created by Dr. Martin Cooper for Motorola in 1974. It wasn't sold to consumers until the late 1980's. The phones were big, expensive, with no cell coverage in many places because there were no towers. Calls were charged by the minute and they didn't have internet, cameras, or apps on them.
No, a lot of the smaller providers do not make you sign a contract at all. They may not have as many cell towers though. The bigger providers all have about the same timeline for contracts and upgrades though.
No one had a mobile phone, cell towers & satellites (and mobile phones for that matter) were not invented yet. And few households had phone either. There were public telephone boxes everywhere to cater for most people.
The idea of a cell phone actually began with police radios in the 1930's, but the first working cell phone was created by Dr. Martin Cooper for Motorola in 1974. It wasn't sold to consumers until the late 1980's. The phones were big, expensive, with no cell coverage in many places because there were no towers. Calls were charged by the minute and they didn't have internet, cameras, or apps on them.
If you have a cell phone then they can make calls from many more places.
The CTIA said that in 2006 there were 175,000 and the number was expected to grow to 260,000 in 2010. Here is a list of the current installed towers http://www.cellreception.com/towers/