Showing posts with label reception. Show all posts
Showing posts with label reception. Show all posts

10/21/2011

24DB Dual Output Vhf/uhf/fm Amplifier Review

24DB Dual Output Vhf/uhf/fm Amplifier
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I compared the two signal amplifiers in an over-the-air antenna situation.The antennas (both VHF/UHF - digital) were outdoor type with from about 50' to 75' of coax cable connected to an HDTV.Also tested on an analog TV.

The Philips PH61111 is meant for indoor use, is black, and has two output terminals, a convenience.It's lightly built, and reminds me of the boosters that have been available at Radio Shack for years (decades).Has a convenient power on light.Connects directly into AC via two pronged cord. Comes with a limited lifetime warranty.Made in China.Amplification is 24 db (very nice); not adjustable.Recommended only for TV applications.

The Motorola Signal Booster is also black, has only one output terminal.Besides the input terminal, there's a terminal for DC power via an AC adapter.It could easily be plugged into one of the other terminals by mistake.It's ruggedly made of die cast aluminum.Box contains two 6' coax cables with connectors.Has a limited 1 year warranty.Made in China.Amplification is 15 db; not adjustable. Can be used for multiple broadband applications.Is bi-directional, so more versatile than the Philips for non-TV communications applications.The three cables with adapter makes it a bit clumsy to work with in an enclosed space.

THE TEST
Used both units on a Toshiba 40XF550U and an older Panasonic superflat CRT.Units were placed in cabinets close to the TVs (not at the antenna source).Digital channel signal strength was measured using the TV's signal strength indicator for approximately 30 channels in the San Francisco bay area (north and south from Mountain View).

FINDINGS
Both units performed equally well.They substantially boosted signal strength from a non-amplified situation.Even though the Philips claimed higher amplification power, it did not boost signals from distant stations any more than the Motorola.Fringe signals were exactly the same strength.The analog TV also received benefits that were, subjectively, equivalent.

CONCLUSIONS
The Philips is roughly half the price, more compact, with two signal outputs, and works just as well at TV signal amplification as the Motorola.If that's the only application required, the Philips is a good choice.

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Product Description:
24dB Dual-Output VHF/UHF/FM Amplifier

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10/17/2011

Viewsonics 8 Port Cable TV Amplifier with Passive Return Review

Viewsonics 8 Port Cable TV Amplifier with Passive Return
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These particular Viewsonics amplifiers have been discontinued for over three years, this product is really old. According to Viewsonics it does not have 6000v surge protection. Plus the noise profile is noisier than other amps you can buy for about the same money.

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9/27/2011

RCA VH 100 - RF amplifier Review

RCA VH 100 - RF amplifier
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We recently cut our ties with DirecTV and just went with over the air digital signal. The RCA outdoor antenna worked great, but occasionally the picture pixelated. Having read reviews and experiences of others, I bought this signal amplifier and was blown away by the difference this little device made. We had very good HD quality, but this made it even better AND we found 4 more stations that we weren't getting previous to using this.

Better picture, no pixelation and more channels! Great Deal!

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Product Description:
RCA VIDEO SIGNAL AMPLIFI

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6/12/2011

TV / VCR 10dB Signal Amplifier Review

TV / VCR 10dB Signal Amplifier
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This gadget did not make any change to the signal whether it was switched on or off.

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Product Description:
Our video signal amplifier or splitter increases VHF, UHF, and FM radio signals by 10dB, and compensates for weak signal which occurs during long run or multiple TV and VCR connections from the same source. Use with both RG6 and RG59 coaxial cable.

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2/25/2011

CE LABS 6001 Prograde 1 GHz Bi-Directional RF Amplifier Review

CE LABS 6001 Prograde 1 GHz Bi-Directional RF Amplifier
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I am using this for my CATV that has three splitters after it. The incoming signal was not very strong and after the third splitter, the picture was terrible on one tv.After installing the RF amp, it was beautiful. The CE 6001 has 20 db of gain (more than most other RF amps). I ended up turning the gain down a little (a very useful feature although you need a very small screwdriver to do it) to be sure it did not overload the front end of my tv off the first splitter. I had an RS version (15-2505) previously and it did ok but added a little noise on the weakest signals. That was all plastic and certainly not weatherproof. In contrast, the CE 6001 is a nice, sturdy sealed aluminum case and I could not see any evidence of additional noise on even the weakest channels.

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Product Description:
The Smart Disk 6001 allows you to experience distortion-free pictures on every TV in the house. It addition, it offers superior performance to inexpensive, store-bought RF amplifiers.

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2/07/2011

GE 22677 2-Way 5MHz-2.3GHz Digital Splitter Review

GE 22677 2-Way 5MHz-2.3GHz Digital Splitter
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Not sure if this splitter behaves any better than the cheaper ones but I was able to split the signal from my amplified indoor antenna without an iota of signal loss.

Recommended.

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Product Description:
Ultra ProGrade Digital 2-Way Splitter splits digital signal for additional TVs. Evenly distributes incoming digital or cable signals for viewing on more than one TV. Power pass technology to all ports allows for use with amplifiers or amplified antennas. Gold-plated connectors provide superior conductivity and corrosion resistance for lasting performance.

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11/17/2010

Motorola Signal Booster 484095-001-00 Bi-Directional RF Amplifier Review

Motorola Signal Booster 484095-001-00 Bi-Directional RF Amplifier
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Ever since my cable company installed digital cable in my house I have had picture problems.The analog pictures were grainy and half of the digital pictures didn't come in.They just said they would arrive shortly but never did.Numerous calls to the cable company failed to come up with a permanent fix.So I decided to take matters in my own hands.Other boosters made things worse.When I saw that this one worked with digital as well as analog I decided to give it a try.I first hooked it up from the cable box to the vcr and got no improvement.So I tried hooking it up where the signal first came in before the cable reciever and it worked beautifully.Analog pictures are clearer than ever and all the digital pictures come in.No more "Please Wait" screens.I am mad that my stupid cable company refused to do this but I am thrilled to finally have what I pay for!Great product!

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Product Description:
Signal Booster

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11/10/2010

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

2-Port Bi-Directional Cable TV HDTV Amplifier Splitter Signal Booster with Passive Return Path
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I have a couple of the PCT Amplifier in my set up. They do a great job of keeping the DTV signals strong. I have one station that is 90 degrees from the other stations that with out a distribution amp, the signal degrades to the point where I'm lucky to get 20-30%. With these amps, i'm getting 80-85% signal. I'm also occationally getting out of market stations that I was not getting without them.

To be clear, these help keep the signal from degrading along the long runs from the antenna to the tv/reciever - they are not boosting the antenna power.

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Product Description:
PCT's miniature MA2 drop amplifier series has improved performance and ultra-low noise amplification of broadband signals for subscriber drop installations. The MA2 series provides better performance, enhanced shielding protection, and IEEE B3 6kV, 3000 amp combination wave surge withstand on all ports for superior lightning protection. All F ports also include PCT patented Digital Seizure Mechanism (DSM) for superior center conductor retention, electrical performance, and additional protection against transient surges.

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