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Video Baluns
Video Baluns to Enable Cat-5e Cable to Transmit Video
Video baluns allow standard network cable (Cat-5e / Cat-6) to be used to transmit security camera signals as an alternative to RG-59 coax or pre-made coax cables. Baluns must be used in pairs and require no power if they are of the "passive" type. When used with network cable (also referred to as UTP-unshielded twisted pair), the balun balances the camera signal and changes the impedance to 100 ohms for transmission. At the receiving end, another balun is used to convert back to a 75ohm, unbalanced signal which can be properly processed by the DVR or monitor. Cat5e has a couple advantages over coax cable in that it is lighter, smaller diameter (and drilled holes), less expensive, and can transmit video farther (depending on conditions, around 900'). However, it has some disadvantages too. The range for transmitting power over Cat-5e is shorter than the 18awg wire found in RG-59 siamese cable. This is because at 24awg, Cat-5e wire is a lot thinner that of RG-59 siamese. Also, Cat-5e has less pull strength and therefore, more care must be taken during installation not to strain the conductors.

But wait, the video balun / Cat-5e combo has one more benefit that will appeal to the DIY folks--most baluns are easy to install. For two of our models, the only special tool you really need is a good pair of wire strippers. The stripped wires are tightened down on the baluns using a screw driver. The balun itself attaches easily by hand to the back of the DVR or camera BNC connector. On the other hand, fastening BNC connectors to RG-59 requires special tools to strip the coax and then attach a compression or crimp type BNC connector. Once you have the tools (they are not cheap),  it takes practice to do it right and the connections should be tested with an ohm meter. It is not recommended using the "twist on" type of BNC connectors with RG-59. "Twist on" also means "Twist off". They're not reliable and not worth the headache even if they fail just once.


   BALUN-2BX      1 Pair, Passive Video Baluns (2 pieces)      Compact Size Nice For Inside Cramped Electrical Boxes
BALUN-2BX

 Connect to Just One Twisted Pair Within Cat-5/6 Cable
 Passive: Requires No Power
 BNC Connectors Support Almost All CCTV Cameras & DVRs
 Easy to Install & Use With Screw Terminal Block
 Long Range Video Transmission, 900+ feet
 Narrow Model Has Same Width as BNC connector
 One Cat-5e Cable Can Support Multiple Baluns/Cameras

Price: $9.95     Quantity:    
   BALUN-2PG      1 Pair, Passive Video Baluns (2 pieces) with Pigtail
BALUN-2PG

 Has 6" Pigtail For Easier Connection to Back of DVR
 Connect to Just One Twisted Pair Within Cat-5/6 Cable
 Passive: Requires No Power
 BNC Connectors Support Almost All CCTV Cameras & DVRs
 Easy to Install & Use With Screw Terminal Block
 Long Range Video Transmission, 900+ feet
 One Cat-5e Cable Can Support Multiple Baluns/Cameras

Price: $9.95     Quantity:    
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