The Link Margin is a measurement that indicates how much transmission power a digital channel can lose before it is impossible to "lock" it. This happens when the Link Margin measurement is equal, very close or below zero. Then the decoder error corrector is not able to recover data lost at transmission. We will learn to appreciate its importance.

Since the 4G came up we are aware about how mobile phone networks affect television coaxial cable networks. But what happens when occurs exactly the opposite, when coax networks have an impact on mobile networks? Why does this happen? And if the problem is not solved, it is subject to a sanction?.

Did you know? The ideas and designs that PROMAX applies to its field strength meters have gradually became standards of the market. Click here to get the history of the field strength meter.