11.28.2012

DVB-T television and the Internet via one UTP cable

Low-voltage systems in office buildings often do not include TV antenna cables, but are usually fitted with structural cabling based on UTP cables. When some users want to connect televisions to watch DVB-T broadcasts, the lack of an RF distribution system may be a major obstacle (in many locations TV signals cannot be properly received using indoor antennas).

A unique solution to this problem is to use SIGNAL TV-LAN baluns for TV over UTP. The pair of the passive baluns can transmit analog/digital RF signals from an antenna placed in a suitable place via the existing UTP cable. The transmission is performed in parallel to the "normal" use of the cable for data transmission (LAN, Internet). The idea of using the Signal TV-LAN baluns is presented in the figure below.

Baluns for TV over UTP: Signal TV-LAN (2 pcs)
Transmission of DVB-T and Ethernet signals over a single UTP cable with the use of R94200 baluns
Although the solution is based on point-to-point connection, it is possible to use multiple transmitter-receiver kits, even in combination with TV splitters and network switches. When the RF signal level after splitting is sufficient for further distribution, the signal can be sent over another UTP cable segment after a network switch, using additional pair of the baluns.


Baluns for TV over UTP: Signal TV-LAN (2 pcs)
View of the Signal TV-LAN balun

Solutions based on the baluns are much more economical in comparison with deployment of additional systems based on coaxial cables or IPTV technology (the latter also requires extra network resources). They do not convert the original RF signals, only change the transmission medium.

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