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What is passed to base station from cellular unit for authentication?
cellular or mobile 'phones are constantly talking to each other. The mobile is saying 'here i am' to the base station
How do you listen to messages on the uniden powermax 5.8?
To listen to messages on the Uniden PowerMax 5.8, first, ensure the phone is powered on and the base station is connected. Press the "Messages" button on the handset, which will direct you to the voicemail system. Follow the prompts to play, save, or delete the messages. If your phone has a dedicated voicemail button, you can also press that to access your messages directly.
What is a mobile phone mast?
A mobile phone mast is the structure which holds the antennna to a mobile phone base station. Each base station serves a small geographical area and can handle a limited number of calls at any time, and are placed local to where people use their mobile phones.
What does the acronym RACH stand for?
Hi, RACh means Random-Access Channel. It is a communication mechanism used by mobiles phones and other wireless devices on a TDMA-based network. It is used to get the attention of a base station in order to initially syncronize the device's transmission with the base station. Have a nice day.
Why is cell phones called cell phones?
Mobile telephones use numerous low power base stations to communicate. As a phone moves, it can transfer its connection from one base station to another so that calls are not dropped while travelling. The base stations are called cells and together form a cellular network. It is the base station technology that lent its name to the portable telephone in North America. Many other English speaking countries have different names for them with the term "mobile" being used in the UK for example.
Why do you call cell phones cell phones?
Cell phones are called cell phones because each one communicates with cell antenna, which covers a certain area, usually about 10 sq. miles.Mobile telephones use numerous low power base stations to communicate. As a phone moves, it can transfer its connection from one base station to another so that calls are not dropped while travelling. The base stations are called cells and together form a cellular network.It is the base station technology that lent its name to the portable telephone in North America. Many other English speaking countries have different names for them with the term "mobile" being used in the UK for example.Read more: Why_are_cell_phones_called_cell_phones
What is a Base Station Controller?
base station controller controls and manage the base ststion.
Which type of security threat uses a low-power radio signal to cut off communication from a cell phone to a base station?
JammingAnswer Explanation: A jammer can be used to cut off the communication between a cell phone and a base station. Cell phones use radio signals to transmit and receive calls through the air. Jamming is accomplished by confusing the cell phone into thinking that there is no base station available to service it.
What exactly is a VTech phone?
VTech phones offer new advances in home/office Telco solutions. One is the ability to have your cellular phone pair with the base station through the Blue Tooth pairing options. Another nice feature is the ability to add separate hand sets to the base station at any time. The additional hand sets added can be from 4 to 8 depending on the base station's capability.
How so satellite telephone affct long distance telephone calls?
Its different for mobile phones and fixed land lines.For mobile phones, the phone transmits a signal to the nearest base station and cellular exchange. This calculates where the call has to be made. If distance is too long (international calls), then the cellular exchange sends an up signal to the satellite. The satellite then locates the other corresponding cellular exchange. It sends a down signal. This exchange then sends a signal to the base station nearest to the receiver mobile phone. The station then inter connects the two phones. Connection through satellite is maintained during whole conversation.Process is similar for fixed phones except that there is no cellular exchange or base station. Sometimes optic fibres are used rather than satellites even for international calls. These fibres are hundreds of kilometers long and pass under the sea.
How does Mobile Network works?
Without base stations mobile phones will not work and we cannot connect our customers' calls. Base stations are often called masts or antennas, as these are the most visible parts.Mobile phones use radio frequency (RF) fields to send and receive calls, texts, emails, pictures, web, TV and downloads. An RF signal is sent to the nearest base station, which sends the signal to a digital telephone exchange and on to the main telephone network. This connects the signal to the receiving phone, again via a base station (if it is another mobile phone).Mobile phones connect to the base station providing the best signal - usually the nearest. As a person moves away from the base station the signal becomes weaker, so the mobile phone automatically adjusts its own RF field strength to maintain the minimum level needed to communicate with the base station.The area covered by a base station is known as a cell.Each cell is usually split into three sectors, which overlap with the sectors of neighbouring cells to create an uninterrupted network. When people travel, the signal is passed from one base station to the next, and typically never has to travel further than the nearest base station.The size and shape of each cell is determined by the features of the surrounding area, such as buildings, trees and hills, which can block signals. Cells are largest in flat open landscapes, where they can cover up to a five kilometre radius. Cells in urban areas cover up to a two kilometre radius. The smallest cells are in built up areas, where micro-cell base stations are used to provide extra coverage and capacity.Each base station can only handle a limited number of calls at a time. In areas of high demand, additional antennas are sometimes added to a base station to send and receive more calls and other mobile services, or an extra base station is installed.All this means that a large number of base stations are needed to allow more people to use mobile phones, from more locations, and for coverage to be continuous when moving around.
Do cell phones use satellites for non international calls?
No, cell phones transmit and receive from land based base stations usually no more than 5 miles away.The signals are then routed via underground fiber optic network to the base station nearest to the recipient.The call is retransmitted through the air to the cell phone. If the phone is on a train or a moving car the signal strength is monitored until the next cell asks the current cell to hand the call over to the new base station. Mind numbingly complex!
