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Amplifiers

In-Line Power Inserter 5-1000 MHz With Power Supply

In-Line Power Inserter 5-1000 MHz With Power Supply
Price: $14.95
Manufacturer Code: SPS-2050-I
Average Rating: 5
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SPS-2051-I In-Line Power Inserter 5-1000 MHz.  With Power Supply for Cable TV Antenna and MMDS
The SPS-2051-I Power Inserter 5-1000 MHz with 20 VDC 500 mA  Power Supply .Provides power for LNB or inline Amplifiers and also provides power for MMDS Down Converter and Amplifiers.

HOLLAND LA-520 20 db Gain Wide-Band In-Line Amplifier

Holland LA-520 20 db Gain Wide-Band In-Line Amplifier
Price: $11.95
Manufacturer Code: LA-520
Average Rating: 5
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Holland Electronics LA-520 HDTV DTV Digital Off Air CATV + Satellite Amplifier 50 to 2050 MHz
Our most versatile 20 dB In-line amplifier with wideband capabilites from 50 to 2050 MHz. for amplifying Off-Air TV or Cable TV Signals in addition to Satellite Signals that may be mixed together. Counter excessive Cable and Splitter losses...

HOLLAND LA-2150H 20 db Gain Satellite In-Line Amplifier

Holland LA-2150H 20 db Gain Satellite In-Line Amplifier
Price: $11.95
Manufacturer Code: LA-2150H
Average Rating: 5
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Holland Electronics LA-2150H HDTV DTV Digital Satellite Amplifier 950 to 2150 MHz
This high-output line amplifier has been specifically designed for satellite systems with a frequency range of 950 to 2150 MHz. Perfect Amplifier for In-Line F connection to overcome excessive Satellite Dish cable lengths and Splitter loss...

Wide Band Satellite 950-2400 MHz 20dB Gain Inline amplifier LA-9520

Wide Band Satellite 950-2400 MHz 20dB Gain Inline amplifier
Price: $8.95
Manufacturer Code: LA-9520
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ASKA's Satellite 950 - 2400 MHz 20dB Gain In-line Amplifier

In-Line Cable Power Supply Kit for Satellite , CableTV and Antenna

Holland LA Series PS-10 DC Power Supply and Inserter for Satellite Amplifiers
Price: $32.95
Manufacturer Code: LA-KIT
Average Rating: 5
In-Line Amplifier:
Availability: Discontinued
Stock Level: 0
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LA-KIT In-Line Power Supply for Cable TV Antenna and Satellite Amplifiers
The PS12250 is a Power Supply for 2.2 GHz In-Line Amplifiers. This Unit injects DC Voltage into Coaxial Cable for In-Line Amplifiers (see LA Series Amplifiers) used to counter the Cable and Splitter losses...

HOLLAND Horz. Power Inserter 15-2150 MHz. Power Pass -W- Grd.

HOLLAND HR-FPI DC Power Inserter for Satellite Amplifiers
Price: $4.95
Manufacturer Code: HR FPI
Average Rating: 5
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Holland Electronics HR-FPI DC Power Inserter for 2.2 GHz Cable TV Antenna Satellite Amplifiers
This Indoor/Outdoor Power Inserter passes 15-2150 MHz Wideband Satellite and/or Off-Air TV Antenna frequencies, inserts the DC voltage from an external supply (up to 35 VDC @ 1 Amp), powering In-Line Amplifiers/LNB's on the same coaxial cable...

 

Broadband Digital Subscriber Cable TV Modem HSI 1 GHz 15 dB Gain Drop Amplifier

Broadband Digital Subscriber Cable TV Modem HSI 1 GHz 15 dB Gain Drop Amplifier
Price: $26.95
Manufacturer Code: SV-A15PRS-I-M
Average Rating: 5
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Stock Level: 560
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Signal Vision SV-A15PRS-I-M Broadband Digital Cable TV Modem HSI 1 GHz 15 dB Gain Amplifier
This CommScope / Signal Vision Product is a Quality Indoor/Outdoor 2-way Services 15 dB Gain Amplifier...

Digital Broadband HDTV and Hi Speed Cable Modem 1 GHz 15 dB Gain Signal Booster

Digital Broadband HDTV and Hi Speed Cable Modem 1 GHz 15 dB Gain Signal Booster
Price: $29.95
Manufacturer Code: VSMA-601C
Average Rating: 5
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Stock Level: 66
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Viewsonics VSMA-601C Digital Broadband HDTV and Hi Speed Cable Modem 1 GHz Signal Booster
This Emerson / Viewsonics Product is a Quality Indoor/Outdoor 2-way Services 15 dB Gain Amplifier...

VHF/UHF/FM 25dB Variable Gain TV antenna amplifier

Skywalker's Signature Series 25dB Amplifier VHF/UHF/FM with variable gain SKY38323
Price: $28.51
Manufacturer Code: SKY38323
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Skywalker's Signature Series 25dB Amplifier VHF/UHF/FM with variable gain model 38323

Cable TV & Antenna Signal 25dB Digital/Analog Home Distribution Amplifier | SKY38322

 Cable TV & Antenna Signal 25dB Digital/Analog Home Distribution Amplifier | SKY38322
Price: $29.95
Manufacturer Code: SKY38322
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Stock Level: 0
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Skywalker's 25dB Digital/Analog Distribution Amplifier model 38322

HOLLAND HDA-1000 1 Giga Hertz 34 db Gain Amplifier

Holland HDA-1000 1 GigaHertz 34 db Gain Amplifier
Price: $189.95
Manufacturer Code: HDA-1000
Average Rating: 5
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Holland Electronics HDA-1000 HDTV DTV Hi-Gain 2-way Digital 1 GHz CATV Amplifier
The HDA-1000 is a 34 dB Gain 2-way Services Cable TV, Hi Speed Internet (Forward Gain 34 dB Return Gain -2.5 dB) Amplifier featuring our push-pull high output designs with a wide 1 GHz range for both Cable and Antenna TV...

30 dB Gain, (54-550 MHz), CATV

30 dB Gain, (54-550 MHz), CATV
Price: $145.00
Manufacturer Code: HCA-3051
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HOLLAND HCA-3051 30 dB Gain, (54-550 MHz), CATV
The HCA Series amplifiers incorporate high quality push-pull hybrid modules to provide the highest output and lowest distortion levels possible.

30 dB Gain, (54-860 MHz), CATV with Passive Reverse

30 dB Gain, (54-860 MHz), CATV with Passive Reverse
Price: $245.00
Manufacturer Code: HCA-3086RP
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HOLLAND HCA-3086RP 30 dB Gain, (54-860 MHz), CATV with Passive Reverse
The HCA Series amplifiers incorporate high quality push-pull hybrid modules to provide the highest output and lowest distortion levels possible.

36 dB Gain, (54-750 MHz), CATV with Active Reverse

36 dB Gain, (54-750 MHz), CATV with Active Reverse
Price: $500.00
Our Price: $347.14
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Manufacturer Code: HCA-36ERA
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HOLLAND HCA-36ERA 36 dB Gain, (54-750 MHz), CATV with Active Reverse
The HCA Series amplifiers incorporate high quality push-pull hybrid modules to provide the highest output and lowest distortion levels possible.

Rack Mounted Launch Amplifier 54-860 MHz

Rack Mounted Launch Amplifier
Price: $245.00
Manufacturer Code: HCA-3086RK
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HCA-3086RK Rack Mounted Launch Amplifier
The HCA Series distribution amplifier incorporates high quality push-pull hybrid modules to provide the highest output and lowest distortion levels possible.

CATV External Sub Band Diplex Filter

Cable TV External Diplex Filter Forward Return Sub-Band CATV Separator Joiner
Price: $12.95
Manufacturer Code: SBD-40
Average Rating: 5
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Holland Electronics SBD Cable TV External Sub-Band CATV Diplex Filter
Separates and isolates Forward (54-1000 MHz) from Return (5-40 MHz) signals providing for Combined/Separated Distribution...

Analog TV Channel 3 Signal Combiner SC-3

Eagle Aspen SC-3 Signal Combiner
Price: $12.95
Manufacturer Code: SC-3
Average Rating: 5
Availability: Call to Order
Stock Level: 0
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Eagle Aspen SC-3 Signal Combiner
Use to combine Channel 3 Output from DVD, VHS, Game Consoles and Video Cameras with Off-Air or Other TV signals...

Analog TV Channel 4 Signal Combiner SC-4

SC-4 TV Channel 4 Signal Combiner
Price: $12.95
Manufacturer Code: SC-4
Average Rating: 5
Availability: Call to Order
Stock Level: 9
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Holland Electronics SC-4 Signal Combiner
Use to combine TV Channel 4 Output from DVD, VHS, Game Consoles and Video Cameras with Off-Air or Other TV signals...

Frequency Agile UHF and Cable TV Channel Video Audio Modulator

Frequency Agile UHF and Cable TV Channel Video Audio Modulator
Price: $27.95
Manufacturer Code: SKYMOD1
Average Rating: 5
Availability: Usually ships in 24 Hrs
Stock Level: 18
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3 Star SKYMOD1 UHF/Cable TV Programmable Frequency Agile TV Modulator
Modulate Video and Left/Right audio signals of a VCR, Satellite Receiver, or Security Camera to UHF or CATV selected channels...

HOLLAND LA Series PS12250 Powering Option Power Supply

Holland LA Series PS-10 DC Power Supply and Inserter for Satellite Amplifiers
Price: $14.95
Manufacturer Code: PS12250
Average Rating: 5
Availability: Usually ships in 24 Hrs
Stock Level: 469
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PS12250 DC Power Supply for Cable TV Antenna and Satellite Amplifiers
The PS12250 is a Power Supply for 2.2 GHz In-Line Amplifiers. This Unit injects DC Voltage into Coaxial Cable for In-Line Amplifiers (see LA Series Amplifiers) used to counter the Cable and Splitter losses...

RG Cable TV Antenna Satellite Distribution System Amplifier

Amplifiers

All of these Amplifiers will Pass HDTV, DTV and Analog Signals. Those that have a Specific Band-Pass of up to at least 890 MHz are good for VHF/UHF and FM also... Making Them Suitable for Home use of Off-Air Antenna Television Carriage. Those Amplifiers with Band-Pass Specific to 2150 MHz means that they Boost Satellite Signals... If these same Amplifiers have a Start Frequency of between 5 and 54 MHz, they are Wide-Band and Carry Cable TV or Off-Air in Addition to the Satellite Signals. If the Star Frequency is around 950 MHz, then they are Solely for Satellite Carriage.

Amplifiers- Should be utilized for these two reasons:

  • To increase already adequate signal as to pre-emphasize the level to balance out losses after the amplifier such as splitters and cable in the distribution system on its way to various TVs in the house, and
  • To maintain Signal level to noise at the origin (your antenna) so that low signal levels from far away stations are not lost in a longer than average cable run to the location in the house where the signals would be further distributed to the TVs desired.

About the Numbers

Amplifiers and Preamplifiers come with various gain numbers. Old Analog signals needed a high Carrier to Noise to get a high Signal to Noise Ratio of the Picture on your TV set, it was a one to one relationship and more was sometimes better. Digital Signals are lower in amplitude in comparison to Analog (a benefit) and that commensurately, the threshold at the TV is lower for a perfectly good picture. Very little in between, you either get a good picture or you don´t. Snow in the old analog pictures has been replaced by "Tiling" or little blocks within the picture not keeping up with the scene changes in today´s Digital TV viewing. Tiling is therefore today´s Digital Snow. It means (more often than not) that you are not far enough above the threshold of signal level into your TV to prevent little hiccups, drop-outs and interferences in signal from interrupting the Stream of Data. Remember that lots of things can happen from the Station on the way to your TV set!

Pre-Amplifiers are mistakenly used with the rational that it will bring in Stations that weren´t there before... It won´t, and what´s worse, using the same antenna and pre-amp with FM and TV stations close by (20-30 miles) may overdrive the amp and actually impede your ability to provide goods signals to you TVs. If you desire to use a pre-amplifier, don´t use a high gain when you have local stations, get one with a FM trap to keep FM radio stations from over-driving the amp and remember that today´s Digital Signals don´t need to be high to get a picture. Some Pre-amps come Band Selective as well, realizing that the difference in antenna UHF/VHF gain means that one band needs to be amplified as opposed to the other.

The gain of a Line Amplifier should be selected to zero out the loss that follows it. In other words, if you have fifty feet of cable and a two-way splitter, then a 10 db amplifier will be fine. Conversely, if you have an eight-way splitter and hundreds of feet of cable, you will need an amplifier with a higher gain. Just as in the case of a Pre-Amplifier, however, bigger is not always better.

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