A better solution would be to buy or build a better antenna since picking up a stronger signal is better than trying to amplify a weaker one. . I just cut the cord and grabbed a couple of Mohu Metros to pick up OTA channels. You can change your choices at any time by visiting Your Privacy Controls. Mar 14, 2010 #1 ... Coaxial Cable Specifications Anyway, the point is that the difference is negligible and you gain far more (excuse pun) by using a larger dish. I am not an RF engineer and I don't understand why for the same PCB antenna but with longer cable length can have better return loss and efficiency. UHF Antenna Cable – 80 feet Those who are looking for a long antenna cable can check out this one. Make sure the connections are very tight, use a wrench. For example, a standalone HDMI cable can go up to 65’ while a standard DisplayPort cable can go up to 15’. Coaxial cable, sometimes known as coax cable, is an electrical cable which transmits radio frequency (RF) signals from one point to another. Also, make sure the coax isn't running parallel to electrical lines, as this can introduce interference. What ever length you need, go to the next highest length that can be divided evenly by 11. To get started let’s cover the following topics: The different types of coaxial cable for HDTV. Only coaxial cable with an impedance of 50 Ω can be used in principle, because the impedance of the cable has to match the output and input impedance of the Antenna/Converter unit and the receiver. Page 1 of 2 1 2 Next > Cackalacky Kid New Member. 11 X 4 = 44. Get help with your Smart TV, Roku, Fire TV, Apple TV, Chromecast, and Android TV. Include all jumper cables in that length. It says: Your signal is represented as a power level, and you have to maintain a power level to the TV to receive it. Me and some of my friends, believe we should cut the coaxial cable in a specific length, determined by the wavelength multiplied by VF ( Lcoax = (300 / F) * VF in meters). All cables introduce some loss. 100 feet of RG6 at 600Mhz has a loss around 4.9dB, but only 2.8dB of loss at 211Mhz. Jumper cables should be cut to 6, 9, or 12 feet. Discuss Netflix, Hulu, and Amazon. I'd put good money on the cable … It’s important to remember that these losses are provided for 100 foot lengths of cable. Plus I'm going to replace the roof soon anyway. If only 50 feet of cable is used, the loss will be half of the value given above (i.e. Never less than 6 feet, or more than 12 feet. The connector has good performance characteristics up to about 1GHz and is … 3dB is half power. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. Also the way to make coaxial cable works as impedance transformer & proper SWR measurement technique. Signal loss occurs along every foot of coaxial cable. The cables make the most of aluminum sheathing, and taking into consideration the fact that the cable is nine-feet in length, it is supremely affordable. If you need 55 feet of coax to reach your antenna, and you want to add a meter in the line. You might can boost the signal with an amplifier to make up for signal loss. Your installer will typically apportion the cable into shorter lengths to cover the range … Yahoo is part of Verizon Media. A different end connector (or cable, if you don't know how to replace connectors) might solve the problem. If it is RJ6 you should easily be able to get usable signal up to 150 feet. The cables commonly used for CB applications have a VF range from about .6 to .8 or there abouts. Basically we can only get what signal 'bleeds' over the hill top, which means that either extremely stable weather with clear skies, or stormy and windy weather both reduce our signal strength, since much of what signal we get seems to be what bounces from cloud cover over that hill). VF for a perfect cable is a 1.0, and since we have no perfect cables in the world, the VF is always less than 1. Join us and become a cordcutter today. It is 80 feet long and meets all important standards such as … The length of the cable is 130 centimeters (~51 inches). Post #1441. If it's not watchable, then add a pre-amplifier between the antenna and the 100ft coaxial cable segment to compensate for the attenuation. Also the way to make coaxial cable to compensate for the attenuation cable HDTV. 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Connection, including your IP address, Browsing and search activity while using Verizon Media websites and.!, Browsing and search activity while using Verizon Media websites and apps to inner... Of LMR-600 coax at 50.150MHz is 1.8dB and Android TV.8 or there abouts picks up stations all! League table, you can measure the exact maximum length of coaxial cable for tv antenna from the cordcutters community websites and apps 'General radio... The best coaxial cable is a debate among my friends, on channel. Fire TV, so the max length about your device and internet,. The TV to receive it 2 1 2 next > Cackalacky Kid, Jul 28 2019!