What is true regarding the cellular phone concept? a. a single radio broadcast tower system enables greater frequency reuse compared to a multiple cell phone system b. increasing base station transmit power is required to decrease the size of a cell c. by increasing the number and density of cells within a service area, you increase the overall complexity of the entire system d. decreasing the size of a cell expends greater power from the mobile device, and therefore reduces the device’s operating time

The answer is "Option c".

Explanation:

A mobile phone is a telecom device, which uses radio signals around an internet-connected area but is served at the same fixed location with a cell tower or transmitter, enabling calls to be transmitted electronically across a wide range, to a fixed over the Internet. By increasing the amount and size of layers within the same market area, the total size of the overall system is improved, and the wrong choices can be described as follows:

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

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