With recent improvements in copper twisted pair cabling and balun technology, the performance of audio-video over copper twisted pair has improved considerably. Today, there are many balun models supporting a wide range of audio-video formats over Cat5. Some of these environments include composite video, S-Video, RGB, component video, digital audio, analog audio, RF/CATV, DVI, and HDMI. As basic building blocks, these baluns support point-to-point connections over Cat5 and may be used in a wide range of applications including; security video, digital signage, classroom training, boardroom systems and video kiosks.
Originally viewed as a luxury item to support Cat5 cable, today, the balun has become a key element in preserving the investment in a structured cabling system (SCS) and as balun prices decrease, Cat5 is becoming a more attractive alternative to coaxial cable even at short cable lengths under 200ft. This has spurred development of new technology that optimizes analog and digital AV signal transmission over copper twisted pair cable.
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