Showing posts with label antenna. Show all posts
Showing posts with label antenna. Show all posts

10/21/2012

Linksys SM01 Wall Mount and Stacking Bracket (package of one Bracket) Review

Linksys SM01 Wall Mount and Stacking Bracket (package of one Bracket)
Average Reviews:

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Had no problems for the most part with these brackets. Some reviewers were concerned about the brackets not fitting some linksys swithces and routers. This is true for the small ones like the EXXS88W 8-port switch. For those you have to use the little notches built into the bracket, which are not that deep and if your wall mounting the switch could fall off. For the larger Linksys routers like the WRT54G it works perfectly.

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Linksys SM01 Stacking/Wall Mount Bracket 10 Pack.

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7/17/2012

D-Link ANT24-0700 2.4 GHz Omni-Directional 7 dBi Indoor Antenna Review

D-Link  ANT24-0700 2.4 GHz Omni-Directional 7 dBi Indoor Antenna
Average Reviews:

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My wireless router is in my office in the basement. When I took my laptop to the first floor the signal strength was "Very Good" or "Good". When I first installed this antenna, it didn't make a difference and I was going to write it off, but I went through the instruction manual. The key to making this antenna work is the way you position it. For example if you keep the antenna vertical as you see in the picture on amazon, it transmits the signal in a horizontal circle. Like a dinner plate set on the dining table. If you are trying to send the signal to other rooms on the same level, this helps. However, it doesnt help if you are trying to send boost the signal to a level above or below the route. You need to position the antenna horizontally, (i.e, parallel to the floor) to send the signal in a vertical circle. My signal strength is now excellent to very good on the first floor and very good to good on the second level with the router in the basement. Hope this helps.

Click Here to see more reviews about: D-Link ANT24-0700 2.4 GHz Omni-Directional 7 dBi Indoor Antenna

The D-Link ANT24-0700 is a 7dBi High-Gain Omni-Directional Antenna designed to provide 360 of enhanced wireless signal coverage. For greater flexibility in placement, the ANT24-0700 is accompanied by a magnetic based with 1.5m extension cable. For any 2.4GHz wireless networking device with a SMA or TNC connector, the ANT24-0700 is the ideal solution to help increase wireless reception. Place the antenna in a prime location where maximum signal coverage can be attained.

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6/30/2012

Sierra Wireless AT&T USBConnect Mercury USB Modem BLADE ANTENNA - OEM SMK TS-9 Review

Sierra Wireless ATandT USBConnect Mercury USB Modem BLADE ANTENNA - OEM SMK TS-9
Average Reviews:

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The product works as described and had a visible increase in performance both in open areas where I already had "good" reception (went to excellent) and in a poor reception situation where my signal strength was boosted from basically none to 10-20%. The plug for it seems to be a bit loose, but that might just be my wireless device. The Velcro attachment for the antenna works well and is pretty convenient too. Decent cable length for getting this up into the air when necessary as well.

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3/26/2012

Broadband Amplifiers ARG-2301A 802.11b/g WiFi Signal Booster with 5dBi Antenna Review

Broadband Amplifiers ARG-2301A 802.11b/g WiFi Signal Booster with 5dBi Antenna
Average Reviews:

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I was nearly unable to get wireless in my den, about 30 feet from my office - but through 5 or 6 interior walls.
Added this amp to my router - now get good to very good signal strength where I need it.
Was hoping for "great", gave 4 stars for "very good".

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2/20/2012

Sierra Wireless AT&T USBConnect Mercury USB Modem BLADE ANTENNA w/Laptop Clip - OEM SMK TS-9 Review

Sierra Wireless ATandT USBConnect Mercury USB Modem BLADE ANTENNA w/Laptop Clip - OEM SMK TS-9
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I got this antenna for my T-Mobile laptop connect card which has a small port for antennas. Unfortunately when the antenna arrived it did not fit the port as it was supposed to according to the website.
Fortunately for me I was able to modify my data card antenna hole to fit without damaging the card. Once it was in it worked like a charm. I had a very clear boost in signal(don't confuse that with speed).
To clarify a little, I work on the 24th floor of a building and could barely hold on to an Edge connection which is very slow(speed). Once I plugged in the antenna I was able to get a fairly consistent 1-2 bars of 3G. This did change my speed but only because I was able to pick up the higher frequency(3G) which is faster than Edge. Antenna's themselves do not boost signal speed, they boost signal strength. In other words, the 3G signal was to weak to pick up before and the antenna gave me the boost I needed to receive it. I had to clarify because to many people mistake that about antennas.
Eventually, I purchased another larger antenna from this company directly from their website. It was a military grade antenna and holds on to the signal better and now its much more stable.
In any event, these products are great. I also, noticed that the newer antenna had a proper size component for my port.

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2/11/2012

Sabrent NT-WGHU High-Power 1000mw Wireless USB 802.11g Adapter for Wardriving & Range Extension with 7" Folding Booster 6dbi Review

Sabrent NT-WGHU High-Power 1000mw Wireless USB 802.11g Adapter for Wardriving and Range Extension with 7 Folding Booster 6dbi
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Performance - 5 stars.
Reliability - 4 stars
Tech Support- 5 stars
EDIT: Problem below (previously posted) was NOT Sabrent's fault! I now rate this 4-5 stars.
-------------
After 3 days of incredible performance, 5 bars solid where before I was averaging 2-3, the Sabrent NT-WGHU High-Power 1000mw Wireless USB 802.11g Adapter crapped out. My PC detected its presence but where the reception bars are displayed was a big red X. Clicked the troubleshoot option but it only declared that it was not connected. Physical connection was fine. A reboot and driver reinstall was no help. Seller sent another unit but it too did not work!
-------------
EDIT: Maybe this will help others with the same problem. The problem was that some automatic Windows update (Windows 7) made the NT-WGHU software bomb out. When I did a Windows restore to a week earlier restore point the reinstall went flawlessly and the Sabrent came right back up to 5 bars. It's scary though that I have to check after any Windows update to see if everything still works. So I give it only 4 stars on reliability.
I must mention that Sabrent's telephone support was EXCELLENT. The number I got off the internet connected to California... not around the world. There was zero wait to talk to a tech. First guy gave a few recommendations on uninstalling/installing which didn't help. (I had done that stuff already but thought I'd dutifully try again). I called back within 15 minutes and immediately connected again, but to a different guy. He suggested the Windows restore routine which worked.


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12/13/2011

D-Link ANT24-0230 Xtreme N 2.4GHZ Indoor Antenna Review

D-Link ANT24-0230 Xtreme N 2.4GHZ Indoor Antenna
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This antenna does work. It's all in the way you position it. It's design leaves a little to be desired but, if you position it just right, it works. I connected the antenna to my router, ran the cable under my scanner and up through the back so the antenna sits on top of the scanner. My signal went from "Low" and "Very Low" to "Very Good" on both my wireless N equipped PC and Laptop. Considering the router is on the other side of my apartment in my bedroom; some 60 feet away with a wall in between, it's great. I would recommend it.


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12/10/2011

Wireless Routers Extend Range Antenna For Linksys DLink Review

Wireless Routers Extend Range Antenna For Linksys DLink
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I thought that I could just screw this onto the back of Linksys wireless router(replacing the antenna).
This antenna has some sort of base(and it can't be removed from it, like it can't be unscrewed). . .i think it's for a wireless card, not a router.
I repeat! This is NOT the item in the picture.

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12/09/2011

Cisco-Linksys High Gain Antenna Kit for TNC Connectors HGA7T Review

Cisco-Linksys High Gain Antenna Kit for TNC Connectors HGA7T
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(More customer reviews)
Folks, these antennas, as well as the stock antennas, have an omnidirectional (same in all directions) horizontal radiation pattern. This means that, when installed in a suitable location, the most significant reception gains will be seen with equipment that is on the same level as the router itself. Most of the "these did nothing for me" stories appear to be from people who have the router downstairs and the equipment upstairs, or in the basement. These antennas are NOT designed to improve reception between floors in a home.
2.4GHz signals are heavily attenuated by walls, foil-clad insualtion, and other building materials. Interference can also be present from cordless phones, microwaves, wireless cameras and other gear in this band -- adding an antenna can make these types of issues WORSE. Changing the channel your wireless router uses can help, since chances are most of your neighbors are using the same channel you are. Some routers have a built-in site survey utility to help you locate an unused channel.
If you are having trouble reaching a particular device through several walls, or between floors, try a directional antenna as these will concentrate the radio energy where they are pointed. Some reviewers have pointed to a site that illustrates how to make a directional antenna with index cards, glue and foil -- this is a rudementary directional antenna but will surprisingly provide excellent results in many applications.
In summary: If you purchased these antennas and they did not work or made the problem worse, you need to reconsider the type of installation (multi-floor, multi-wall, etc.), sources of interference, channel selection, blocking materials such as foil-clad insulation, as well as proper antenna selection.

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11/20/2011

Hawking HiGain Directional Corner Antenna, indoor, 15dBi - HAI15SC Review

Hawking HiGain Directional Corner Antenna, indoor, 15dBi - HAI15SC
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This is a "deconstructive" review of Hawking's corner reflector. Basically I took it apart so you don't have to! BTW - I am an RF engineer, so I apologize if it gets too technical.
First let me provide a explanation of what a "corner reflector antenna" is. A corner reflector antenna is a very simple, but high gain type of antenna. It consists of a dipole antenna (a dipole is just a straight piece of wire cut in a precise way) and behind the dipole is an angled metal screen or plate which is called the reflector. The angle of the reflector is typically 90 degrees, which forms a corner and thus the name. The reflector focuses the signal so it is more concentrated, which results in higher gain versus a simple dipole.
Taking apart the corner reflector is straightforward, but it does take some time and muscle. I carefully but forcefully pulled on the gray plastic end caps. After some time, the end caps finally came off. This revealed an unlabeled, rather ordinary black "stick" antenna inside the white plastic pipe. It's probably a 5dBi collinear dipole. The antenna is connected to the coax cable via a panel mount SMA connector. I was able to remove this antenna, but it does take some torque because Hawking applied thread locking glue.
Based on it's construction, I have no reason to doubt the 15dbi gain claim. However, I seriously doubt the 90 degree vertical and horizontal beamwidths that the manual seems to claim. I guesstimate that 3dB beamwidths are in the order of 40 degrees horizontal and 30 degrees vertical, based on my experience with similar corner reflectors. This makes orientation MUCH more critical. If you are 15-20 degrees off, you could be losing half (3dB) of your signal! On the other hand, such a narrow beamwidth is a good thing if other people's AP's/client's are interfering. Any other transmitters outside of the main beam will be weakened, reducing your noise and improving signal quality.
Now to analyze the coax cable. The outer jacket is unlabeled white plastic, so you can't tell who made it or what type of cable it is. It's thin, about 1/8" thick . I cut off one end to see what's inside. The shielding is quite good. It's a dual shield, foil plus braid. The foil provides complete coverage. The braid is tin plated copper and has excellent coverage, probably 95%. The center conductor looks and cuts like pure solid copper, not copper clad steel. The center insulator (the dielectric) is a clear translucent, solid (not foam) plastic. When I soldered on an SMA pin, the dielectric easily melted! It's probably NOT teflon, but cheaper, higher loss polyethylene. Based on this, it's probably a RG-174 type cable, not the lower loss RG-316. Cables of this type generally have a loss of 0.6dB per foot at 2.4Ghz. The cable is 6 feet long , so you lose more than half (3.6dB) of your signal in the coax! Making a shorter cable and/or using better cable would help.
Considering how it's made, a lot of the negative reviews make sense. It's a 15dBi antenna, but you lose 3.6dBi in the cable so effectively it's only 11.4dBi. Plus if you don't point it within 15 to 20 degrees of your target (both horizontally AND vertically), you will lose even more signal. Used indoors, there is so much RF scatter that the actual direction of maximum signal can very often NOT be in the direction of the target due to signals being bounced around. You'll have to rotate the antenna in different directions vertically and horizontally to find the maximum signal. Used outdoors or in unobstructed area, just point it at the target and you're done. However, keep in mind that this IS NOT a weatherproof antenna, so don't leave out outside where the rain and sun will beat down on it.
Used properly, this antenna really shines. It provides a tremendous value for under $50. Antennas with similar gain will cost MUCH more.

Click Here to see more reviews about: Hawking HiGain Directional Corner Antenna, indoor, 15dBi - HAI15SC

Increase Your Wireless Network Strength, Works with 2.4GHz 802.11b /g Wireless Standards, Extend your Network Range, Great for Large Conference Rooms or Open Spaces, East Installation (No Software Required).Main FeaturesManufacturer: Hawking Technologies, IncManufacturer Part Number: HAI15SCManufacturer Website Address: www.hawkingtech Product Type: High-Gain AntennaFrequency: 2.4 GHzGain: 15 dBiImpedance: 50 ohm NominalConnectors: 1 x Reverse SMAStandard Warranty: 1 Year(s)

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11/19/2011

eForCity Wi-Fi Booster Antenna for D-link DWL520, Linksys WMP11, WET11, Netgear MA311, or D-link Aps, 2400-2483 MHz, 6ft Review

eForCity Wi-Fi Booster Antenna for D-link DWL520, Linksys WMP11, WET11, Netgear MA311, or D-link Aps, 2400-2483 MHz, 6ft
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At first, I wasn't sure if I liked this little antenna or not. There isn't much to it... it's got a connector, a cord, a magnetic base (which is pretty strong by the way) and of course the antenna itself. It didn't seem to give me much of an improvement until I learned how to pick the correct location for it...
The biggest benefit of having one of these is flexibility of placement. With antennas, correct placement is crucial. I bought two: one for my desktop PC and one for my router. These antennas aren't necessarily any more sensitive than the little plastic ones that come with wifi cards and access points, but being able to move the antenna location from behind the PC on the floor (which is where most people with wireless cards have their antennas) to the top of your desk or on top of your monitor makes a big difference right away.
Now, if you are really serious about getting the best performance out of this antenna, I would suggest you download a program called NetStumbler. It will let you see the S/N ratio in dBm and it updates in real-time. This lets you get perfect placement with your antenna. You'd be amazed what a difference an inch to the left or right can make. I have a feeling a lot of people who have problems with aftermarket wifi antennas are not placing them properly.
For $5.54 each plus a couple bucks for shipping, this antenna can't be beat.

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11/12/2011

Hawking HSB2 HiGain Signal Booster Review

Hawking HSB2 HiGain Signal Booster
Average Reviews:

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I want to start by qualifying my comments - I'm a 16-year IT professional. I'm an MCSE (Microsoft Certified Systems Engineer) certified from Windows NT 3.51 up to present (Windows 2003). I am also an MCT (Microsoft Certified Trainer) had have taught Microsoft technologies for over 12 years.
The first thing to understand about the product line from Hawking Technologies is this: these are not Fischer Price toys. When you get into the arena of boosting signals of your wifi network...or extending...or repeating the wireless signals of your wifi network....you are dealing with intermediate to advanced technology implementation.
I am reading through the reviews on this product and there seems to be this recurring "expectation" by various people....that they are buying a fool-proof product that will install itself. Well.....that's not the case and these people bring on their own frustrations.
Hawking Technologies offers this signal booster product so that you can add it to your existing WIFI router. As such there is ALWAYS a chance of compatibility issues. There is no "magic way" to make a third-party product compatible with every vendor's router. That's just not realistic.
Still, I have recommended and installed this particular booster product for at least three dozen SMB clients (small-to-medium-sized businesses) throughout NJ and NY. I have had fantastic results with each application and have not seen a SINGLE INSTANCE where the product failed after a short time period (something I've read from some reviewers).
I have been recommending, installing and supporting this product for approximately four years now (beginning with the company's first version and now their revised implementation; which is almost identical).
Furthermore, my experience with Hawking technical support has been very good; compared to that of much larger companies (such as Dell....whom I believe have the worst technical support of any large technology vendor).
Perhaps Hawking has "outsourced" their customer service to a third-world sweat shop in India just as every other medium or large IT vendor has in the US. Don't get mad at the vendor for that, people.....get mad at your politicians and our country's legislation; which makes it profitable and financially practical for this scenario. Yes, I absolutely HATE IT when I have to deal with broken-English, non-professional and disgracefully underqualified customer support people in sweat shops. These people are earning ten cents an hour with no bathroom breaks....so what can we expect?
And with regard to the inaccurate owner's manual....well.....that is valid but NOT MAJOR!! Yes, Hawking needs to revise their installation manuals such that they are accurate and easily digestible. It's silly that they haven't remediated that problem yet; considering that the paperwork is for a best-of-class product. Still......this is ADVANCED TECHNOLOGY and people can't rely on a manual in order to make this product work for them. You may need an SMA to TNC adapter; depending on your application. Any local Radio Shack should have in stock what is needed to make it plug in. I suggest packing up both the router and the booster and bring it right to your nearest Radio Shack. Have the counter guys and gals gather up for you the couplings and cables that you need for connectivity.
What matters most of all is that this product is the best booster available for the price range and for the class of application (home usage). I have installed MANY of these into mission-critical business environments and have enjoyed outstanding results EVERY TIME.....WITHOUT EXCEPTION.
Additionally....someone mentioned a health risk associated with using this product at the maximum setting. RUBBISH!!! IN A PIG'S EYE!!! People really make me laugh. As one of my mentors once said....."The Internet is a cesspool of misinformation so beware". True indeed!
I have installed industrial, omnidirectional WIFI towers that emit a hundred thousand times the radiation as this product. These towers are only dangerous when a human stands right in front of them. From five feet away....there is no health risk. Thus, the notion that this small device is a health risk is complete made-up nonsense. Go ahead and put the device in the cage with your gerbil and it will live a long, healthy life.
Lastly....the noise that this device creates is so insignifigant....I can't believe how many people are complaining about it. You can only hear it when you're right on top of the unit so it will only be an issue if you intend on strapping the booster to the side of your head. If not (hopefully NOT!!!) there is no concerns about the noise. Put it in the corner next to your WIFI router and it won't bother anyone...I PROMISE!!
I do not give up five-star recommendations easily but Hawking Technologies is one of those companies that excels infinitely at their specialized market nitche. This signal booster is the "only show in town" and I whole-heartedly recommend it above all others. When you receive it and open the box, you will be immediately impressed by the obvious workmanship and engineering that went into it.
Not only will it improve signal strength throughout your home or office but it will improve your wifi throughput SUBSTANTIALLY in every way.
IMPORTANT NOTE: When you use a signal booster, you increase your SECURITY RISK enormously. Your neighbors may pick up on your boosted signal even stronger than their own indoor wifi router signal. You will have effectively offered your WIFI network to an extended and unwelcomed audience. Accordingly.....be SURE to revamp your wifi router's security. Use WPA instead of WEP if all your machines are compatible (WEP is, for all intents and purposes....fairly hackable). Use STRONG passwords for wifi access to your network. Be sure that your firewall is properly setup. Exercise as much security as is possible without compromising your network's functionality.
And stop thinking about it and buy this product. You'll be GLAD that you did (believe it).
PS: This is a purely objective review of Hawking Technologies' signal booster product. I'm not affiliated with the company. I simply call 'em as I see 'em.

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Hawking HSB2 IEEE 802.11b/g Wi-FiSignal Booster HSB2 Wireless Access Points

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8/30/2011

8-Port Bi-Directional Cable TV HDTV Amplifier Splitter Signal Booster with Passive Return Path Review

8-Port Bi-Directional Cable TV HDTV Amplifier Splitter Signal Booster with Passive Return Path
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I have a new house with very long cable runs. When they built the house they ran a seperate cable to each room, instead of splitting them upstairs in the attic. I had an issue with the digital cable and the modem loosing signal and picture freezing before I purchased this item. It took about 5 minutes to install the amp and all picture issues are gone. Before I could not have the signal split into more than 3 lines before experiencing picture issues. I now have 7 lines running out of the amp without issue, including the cable modem. Great product, and you can not beat the price.

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8/21/2011

TII 212 Broadband Cable TV Lightning Surge Protector Review

TII 212 Broadband Cable TV Lightning Surge Protector
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I live in the lightning belt of Central Florida and the lightning has done terrible damage to electronics in the past. It is important to ground and surge-protect all lines that enter a home (Power, Cable or Satellite, Telephone...). I considered installing a surge protector on the main cable line coming in, but all the units I found were the kind that plug into an electrical outlet. Then I found this item on Amazon. It arrived in a day (thank you prime) and the install took under 5 minutes (I posted a picture of what it looks like). It is compatible and completely transparent to broadband cable internet and digital cable with no service issues whatsoever. And with 1500 surges and is self-resetting, this should last a while. Overall, I am very happy with this product.

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7/27/2011

Motorola Signal Booster 4-Port BDA-S4 Cable Modem TV HDTV Amplifier Review

Motorola Signal Booster 4-Port BDA-S4 Cable Modem TV HDTV Amplifier
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This amplifier is well made, durable and meets all of the requirements for professional use. It's is widely used in the cable industry (contrary to some of the reviews here). There are several companies that make these and they all meet the frequency requirements (5-1000 MHz) for modern HFC cable systems. It is provided and installed by cable guys and it costs $40-$50 on average.
First of all this device should only be used for your TV service. Do NOT amplify the modem line. You need to use the splitter to split one line to the modem and the other should feed the amplifier and the rest of your outlets. This amplifier will increase your modem upstream return level. Read the print on the amplifier : RTN(return) -8 dBmV. Your upstream power level will increase and your modem will have to work harder to communicate out. Also it will sometimes decrease your upstream signal-to-noise ratio (SNR).
The amplifier is not a do-it-all miracle device that will solve all of your problems. It simply amplifies the incoming signal. It does not filter the noise. This means your incoming signal needs to be clean and at acceptable level before the amplifier. So if you have 4 or more TVs (on average, but this may vary) you will most likely benefit from this purchase. If you have more than that you should buy the single port version (cheaper) and use an 8 way splitter. In fact if you buy a single port version and use a 4 way splitter you will get the same signal levels.
However if you have problems I strongly recommend calling your local cable co and get a tech out. If you are a DIY person, make sure you do some research first and use quality equipment (like this amplifier), RG6 60% braid shielded or better cable (quad shield is better), compression fittings (like PPC, Thomas&Betts) and not crimp fittings (don't apply pressure on the coax), splitters that do not have glue on the back cover and are rated 5-1000 MHz. By investing more money and getting quality equipment it will help you have trouble-free service and will most likely save you some money in the long run.
PS If you can get a power inserter (it looks like a regular splitter but it's not) you can use it to back feed the power on one line so you don't need to have a power outlet right next to the amplifier (make sure you connect it to the "REMOTE POWER" (sometimes "DC IN/RF OUT") port on the amplifier).

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