Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: How much control cable comes with it?
Document: The remote is small and well laid out. The codes used are the same as Pioneer cable boxes, so many multi-function remotes can control the antenna. My Sony remote was easily programmed to work it. The antenna rotates at a reasonable speed, and is quiet so it does not bother the neighbors.
The product is easy to install and operate, and it performs basically as advertised, but there are a few things to grumble about.First, communication over the control cable is one-way, from the control box to the motor. That means that the controller doesn't really know where the antenna is pointing. Rather, it knows, or thinks it knows, how fast the antenna rotates and figures how long it should take to get to where you want it and then assumes that it got there.
I am a very experienced electronic engineer and bought this for a TV antenna. It has been up for only 2 years and I rotated the antenna perhaps 8 times in 2 years. It stopped working this week. I temporarily put a new short power cable on the rotor to the controller just a few feet away so I could see whether the cable was the problem. It was not. I reset the control box per the instruction manual and all indications are that it is working correctly.
In the process of doing that, I learned that while these used to be manufactured domestically (in Ohio) a few years ago ChannelMaster started sourcing them from China. So what?Well, according the the rotator experts in the shortwave community, there have been ongoing quality control issues (similar to what I experienced) with the Chinese made 9521 motor units. In fact, so much so that the particular retailer I ended up buying from now extensively tests each one before putting them up for sale.
If it's a little off in pointing, you can always do a fine adjustment with the UP and DOWN buttons. Maybe I was expecting too much for the price paid.
It's an excellent system and I really have not had any problems with it. You may wonder why I didn't rate it a 5 star? Well as and engineer I believe there really is not much out there in the real world, especially a mechanical device, that is worthy of 5 stars
Cleaning out the grease and replacing it with synthetic and adding a support bearing may buy you some time but not much. Even when they do work they do not hold position so you can't mark your stations as it will change all the time. If there is any wind forget about it. The only alternative is to install multiple antenna's and forget about trying to find a good rotor. There are not any made that are reliable and affordable any longer.
This unit installed easily and performs well. The control/rotor locate the antenna perfectly every time. Time Weill tell concerning longevity but so far I'm pleased.
The troubleshooting section in the latter is very thin (a half a page of rather general suggestions, the most annoying being one that says "if you rotator is working but not properly aligning the antenna, either realign the antenna on the mast or re-coordinate it through the remote control." The manual contains no information whatsoever on how to do the latter!!!) So I ended up googling to find general rotator troubleshooting support.
This is a really great product. I live between two major TV markets and it is nice to just rotate the antenna with my remote control and pick up signals from each. Now, with the advent of digital OTA TV broadcasts, it's nice to be able to fine tune my antenna to get the max signal strength on the digital channels.The rotating unit itself is very solidly constructed. Mines been installed since 1/07 and has not lost and accuracy.
Answer: DO NOT buy the rotor wire from Solid Signal. these guys advertise the heavy duty cable and send you something that belongs in the trash can. I ordered 1000' box and I was very disappointed with what they sent me. I have no time to waste doing returns, and initially they wanted me to pay for their mistake.