Examples
In cellular networks, such as UMTS and GSM, which operate in the UHF band, the value of the path loss in built-up areas can reach 110 -- 140 dB for the first kilometer of the link between the BTS and the mobile. The path loss for the first ten kilometers may be 150 -- 190 dB (Note: These values are very approximate and are given here only as an illustration of the range in which the numbers used to express the path loss values can eventually be, these are not definitive or binding figures -- the path loss may be very different for the same distance along two different paths and it can be different even along the same path if measured at different times.)
Read more about this topic: Path Loss
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