What Wil Be The Maximum Speed Of Internet If The Isp Is Giving Thorugh Rg6 Along With Cable Tv

What's the maximum length an Ethernet cable can be from a router without losing speed? What can be done if this length needs to be exceeded?

The practical answer to this depends on a few things; first, how much you need to exceed it by, and second, what capacity do you need to run it at (i.e. 100 Mb/sec or 1000 Mb/sec?).If you use Cat6, it has a maximum length of 100m (300 feet approx). However, if you need *slightly* longer than that - say 325 feet - it will probably work just fine provided it’s good quality cable and you do the terminations well. If you can drop the bandwidth from Gigabit to 100 Megabit, you can actually go even further (although not officially, of course). I’ve tested 100 Mbit at 400+ feet with no errors.If that won’t work for you, but 200m(600 feet) will, you could put an ethernet switch at the mid-point, and that would work.Realistically though, for any serious lengths you should use fiber optic cable which can get you many kilometers. You can either use Ethernet switches that can accept fiber optic modules to connect the fiber, or use media converters to hop from copper to fiber.(note there are two main ‘types’ of fiber, multimode and single mode. Single mode can carry more payload over greater distances)Hope that helps!

Does a single coaxial cable have an upper limit of bandwidth speed?

I'd like to expand on Jeff Kesselman's answer. In fiber optic cable, the speed of light only dictates how quickly that first packet of information gets to you.  It's like turning on a water faucet.  How quickly does that stream begin.   The actual speed of the data transfer is determined by how much bandwidth is available.  Going back to the water faucet analogy, this would be how large the pipes are leading to the faucet.  You could have a pipe the size of the Mississippi River, and that would allow a whole lot of information to get through all at once.  Or, you could have a pipe the size of a swizzle stick, and the water would probably trickle out. Both co-axial and fiber optic cable are capable of pretty much any amount of bandwidth imaginable.  Our limitations are dictated by the frequencies we can easily use, the equipment used to transmit and receive the information, the quality of the wires, and the compression of the data.  On a per-customer basis, America is just now getting to the point where running fiber optic cable to the end user is becoming comparable to maintaining a co-axial network.  However, that doesn't mean that we have maxed out the potential for co-axial networks.  Throughputs will get faster using co-ax.  The question is, will the average consumer have a use for such power?

What happens when you split cable TV and Internet on the same coax line?

Firstly a splitter divides the power of the signal between the number of outputs. For example two outputs, divide the power by two, four outputs, divide by four, and so on). A splitter also has inherent loss, so you lose another fraction of the signal but any time you have a connector and some components instead of just cable you will have some losses. As a general rule of thumb with a splitter you divide it and throw a bit more away for good measure. Most cable TV signals are sufficiently robust that splitting a few times makes absolutely no difference, unless you don't use good connectors, you put the connectors on badly and you use a bad splitter. Bad connections can more than halve the signal and also introduce strange non-linear effects such as some channels working and others not.Your cable TV company allocates frequencies on the cable to certain functions. Some part will be internet uplink, some the TV channels and some the downlink. The single cable to your home can be divided multiple times and in theory you can even have multiple modems (if the cable company supported that) for example: Virgin Media in the UK doesn't support two consumer modems but their TiVo also STB has a modem for two-way data which is used for interactive TV, and video on demand services, separately the consumer has a modem for their internet access on other devices.One cable, multiple functions, one frequency plan.

Can I use a coax cable for cable internet (i.e., Optimum) and satellite TV (i.e., Direct TV)?

There are really two questions here. One has to do with the physical coax itself, and the other is a service-related question.As previously mentioned, the same coax cannot be simultaneously used. If you have DirecTV and internet through a cable provider, they will have to run on different circuits of coax. Depending on how your house is wired, this may cause some headaches for the installer. However, it is not impossible. The worst case scenario is that the installer has to create a drop for cable internet.The other question you are asking has to do with your TV service. Yes, it is definitely possible to have cable internet but not subscribe to cable TV. Your cable provider may push extremely hard for you to get cable TV, but it's not impossible to get cable internet alone.You may want to watch for bundled specials, though. At one point, Cox was running a bundle here in Arizona for a promotional price of $50/month that included internet and service to one television. I almost took the deal and just ignored the offer to hook cable to one of my TVs, but the speed they were offering was not what I wanted.

How do I set up a 2nd router through a coaxial cable to extend my internet connection on the same network ?

Unfortunately, this is not a good idea in 2 ways:When you split an coaxial connection, you literally duplicate the signal coming in and out. When you have 2 modems on the same wire, the signal is going to turn into a uninterpretable signal and you won't have internet anymore.Comcast may shut off your line because of this bad signal (to protect their hardware) and force you to pay thier technician to get it fixed then simply tell you to go buy a gigabit ethernet switch.There is a much better solution to this: Ethernet Switches and ethernet routers (if need be)So if the place you are staying at has these kind of jacks (shown below) all over the place then chances are, a technician already solved the problem for you and you just need to find a wall jack like that and plug your computer in.If you don't then you will need the following:Ethernet Switch (I reccomend getting a Gigabit switch for optimal speed)Here’s one from best buy: Linksys - 5-Port Gigabit Ethernet Switch - Black/Blue2 additional ethernet cables (Best buy, Menards, Home Depot, Lowes, Walmart, Target, etc. Will have these)One of them will connect the switch to the modem (This one should be short, probably less than 3 feet long)Another one will connect the switch to your computer (This cable needs to be long enough to connect your switch to your computer)Once you have those materials, it’s pretty much plug and play. Plug one end of a ethernet cable into one ethernet port and the other end to a ethernet port on the other device. If you are struggling, go talk with a small business that does stuff with computers and ask their opinion on what went wrong. Or you can call Comcast to send a technician that will make it work to your needs.Edit: Oh, it does work, that’s actually kind of interesting. But still a bad idea.

What is the transmission rate of coaxial cables?

Terminal rate for transmission over coax depends on a whole bunch of stuff, the largest of which is distance.Apart from using the fiber part of hybrid fibre-coaxial (which I bizarrely had a small part in inventing), coax works by use of a dielectric material between the shield and core to give a stable impedance and capacitance (usually measured in pico-Farads per foot).That means that you can apply transmission line engineering principles to the signal injection and demodulation, and jack the transmission rate through the roof relative to other sorts of copper based solutions, due to vastly superior signal to noise.The thing that limits you most (other than standing waves, which are well known and can be engineered around) is thermal stability. When you inject power into the cable, the combination of launch power and frequency combine to create a heating effect. When you get too hot the dielectric breaks down and the signal characteristics of the coax go to hell, injecting enough noise to make it unusable for transmission.So what that means is that you're launch power limited as to how much distance you can push, based on the frequency.The chart above only goes to 10GHz. I know for fact that you can push 4x that down coax, just not usable distances other than in labs. With the terminal launch power of 55W at 10GHz, the engineering approved power would probably be 25W, which means your distance would be well under a kilometer.So, the 150Mbps that your plan offers is in the "trivially doable" space, but it's highly impacted by non-transmission related issues. Like the highly, highly non-trivial exercise of running an ISP. Odd are, you've either got a mechanical problem with a connector some place, water in a line, or a mis-managed local interconnect plane that's dropping packets due to congestion.In any event, you need to call your ISP and complain.

How can one start an internet broadband service provider company in India? What are the minimum requirements?

Being an ISP is not as tough as it seems.Basically two major processCollaboration - You have to get a lease line from major service providers like Airtel.Approach them, ask them for a lease line.It's approx ,Rs18,000/- for a 10 MBPS lineConfused???Now here's the magic,Mbps to MB/s Conversion Table1 Megabit per second=8 Megabyte per secondThe MBPS which ISP provide us is Mega bits.So,In an 1 MBPS line you can provide (8 ), 1MBPS lines to customers.So the costing goes around ,10 MBPS line = (80) 1 MBPS to customersSo the cost to you for 1MBPS to customer is Rs 225/-And the cost decreases with the slabs of customers increasing.2) Local corporation permissions for laying a jungle of wires and spoiling the beauty of the city..Hope that helped you.