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What are taps? What are splitters?

Splitter: A splitter can be used to introduce a second antenna into the system. However, it add 3.5dB of attenuation to the signal. The effect of this 3.5dB loss is to effectively shortly the cable. Stella specifies that the length of SD400 cable from the repeater to the internal antenna should be no more than 35m. However, if a 2 way splitter is introduced, we recommend to reduce this length to 20m. If a 3 way splitter is used, the length is reduced again to 15m. A splitter add the same loss, 3.5dB to both sides of the split.

Tapper: A tapper (tap), is similar to a splitter in that it allows you to create a split in the cable to install a second antenna. however, the loss is not equal to both sides. Instead, one side experiences a loss of 6dB, whereas the other side experiences a loss of 1.3dB. This can be useful when installing several antennas along the same cable. The taps can equalize the signal power to all the antennas, ensuring that the last antenna on the line still has enough power to be effective.