About Video Balun
A video balun allows video transmission using unshielded twisted pair wire or CAT-5 cable instead of using the RG-59 Siamese Coax Cable.It can be used in HD security cameras.
It is to convert an unbalanced signal into a balanced signal. The word “Balun” means a type of electrical transformer used to connect an unbalanced circuit to a balanced one. Video balun allows CCTV installers to lower down their costs on wiring the security cameras.
Types of Video Balun
There are two types of video balun. One is called the passive balun and the another is called the active balun. Both of it has a different function. To choose which type of video ballun to use, you should consider the distance of the video transmission.
For Passive balun, it is non-powered and can transmit video less than 1000ft, it is used on both ends.
For Active balun, it is powered and able to transmit video up to 3000ft.
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