The CableTronix CTA-35/1000PR CATV Distribution Amplifier is a wall-mountable amplifier with a 16 dB gain-control range. In addition to CATV signals, this amplifier is also compatible with UHF and VHF signals. Built-in input and output test ports ensure that you can adjust the amplifier to fine-tune performance without disconnecting it from your infrastructure.
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My CATV/Internet source goes into a 3-way splitter. Its 3.5 dB output is connected to a 4-way splitter. Several TVs connected to the 4-way have problems with certain channels. I am certain the problems are due to signal strength since they work fine when connected to the 3-way. I added this amp between the 3.5 db output and the input of the 4-way. Problem solved.
I have owned this unit for one week. The amplifier was well packaged and arrived without any perceivable damage. The amplifier arrived with a basic instruction sheet. The CableTronix website has a more detailed document for download. I am using this amplifier in my house, so weather durability is not an issue. The amplifier boosted the received signal strength, allowing me to receive additional OTA DTV channels. The amplifier came with Gain preset to maximum and Tilt preset to minimum. Adjusting these settings showed that the presets were the best settings. I removed one star because it was necessary to use the signal strength reading shown on my DTV to evaluate any adjustment. If a signal strength indicator was included in the amplifier unit, then it would warrant a full 5 stars.