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RG6 vs. RG59
RG59 is a lower grade of coaxial cable than RG6, consisting of a smaller center conductor, a smaller insulating dielectric, and a single outer shield. However, it delivers acceptable performance for CATV. RG-59 has a 22 AWG center conductor.
RG6, on the other hand, has a larger center conductor (18 AWG), a dual or quad shield (2 braids and 2 foils), and a much larger insulating dielectric. The benefits of using RG6 cable include: more bandwidth, lower susceptibility to interference, and lower attenuation per foot. All of these characteristics allow it to handle a higher bandwidth than RG59 cable. RG6 delivers exceptional performance for CATV, satellite, and all other video applications and is considered the cable of choice for digital TV.
As cable TV companies add new channels and begin to introduce two-way communication, the bandwidth limitations of RG59 will make it obsolete. RG6, on the other hand, is rated at up to 1.5 gigahertz (GHz) - about double the rating for RG59. The superior protection provided by four separate electronic shields within the cable also ensure that signals traveling through RG6 remain intact.
The EIA/TIA 570-A Residential Telecommunication Cabling Standard specifies Series 6/ RG6 coaxial cable.