Fred Wilson wrote:
Hello all,

I have been having problems with my cable modem. I split the line where
it comes in the house. One leg to my modem, the other to the TV.

My internet kept dropping signal. I was sure to get a splitter that
provided a direct pass-thru to 7dB on both outputs.

There is a three way splitter on the line coming in from you pole. It
has output 7dB, 7dB, and 3.5dB.

Anyway, the cable guy came out and switched the hookup on the three-way
splitter. He took the line that goes to my cable modem and TV off of a
7dB terminal and out it on the 3.5dB terminal. All is well now.

how is this possible?

Thank fred.
Hi,
That splitter must have some attenuator(simple resistor netowork or
such) built-in. Any splitter, connector introduces certain amount of
signal loss. When source signal is marginal this can become an issue.