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Initially cable TV was used to distribute the signal from a tall, shared antenna for all the televisions in a community, so this was called CATV
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Amazon.com: Wirefy T Tap Wire Connectors Kit - Electrical Connectors Kit - Spade Terminals - Quick Splice Disconnect Wire Taps - (120 PCS 22-10 AWG) : Industrial & Scientific
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Amazon.com: 1 Way 10 dB Tap 40 - 2150 MHz T-Type 2 GHz 75 Ohm DC Passive Trunk DC Pass Tap DC Block High Frequency UHF / VHF Video Signal TV Antenna Coax Cable : Electronics
![Initially cable TV was used to distribute the signal from a tall, shared antenna for all the televisions in a community, so this was called CATV Initially cable TV was used to distribute the signal from a tall, shared antenna for all the televisions in a community, so this was called CATV](http://cityinfrastructure.com/CableTV/Webfiles/DSCN3246.jpg)