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Want greater reliability for your security NVRs and DVRs? We suggest going with Western Digital PURPLE drives for all your 24/7 surveillance applications.

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  What Over 50 Years
  of Video Marketing
  has to offer you!
  The world of video technology
  is changing at lightning fast
  speeds.  Decisions for selecting
  the correct combination of
  video equipment for the best
  functioning system can often
  be complex and bewildering.
  We, at ATV Research Inc,
  have been dealing with such
  issues for over 50 years. 
  Working with thousands of
  dealers and installers across
  the United States as well as
  numerous other countries
  has exposed us to many
  unusual and challenging
  technical situations.  We're
  here to assist you make the
  correct selection for that
  next install.  Our techical/
  engineering department is
  waiting to assist you in that
  next install.  Give us a call at
  (800) 392-3922 any
  time during our regular 
  office hours. 
    Quoting, building or
    servicing cable
    headend systems
    can be tricky.  We
    have years of RF
    headend experience.
    Whether you are
    building or servicing
    a system for an
    apartment house,
    motel, hospital,
    nursing facility
    or other large
    complex, our ATV 
    Research technical 
    personnel are at your

Amateur TV

Products found on this page are useful for Amateur Television and other uses. 
ATV Research has spectrum efficient VSB and digital SD and HD ATV equipment that fits a six megahertz wide channel, to produce CATV quality ATV.  Upgrade your ATV station with our recommended equipment below.
Digital QAM-64 ATV:
Drake DSE-24 (full feature QAM-64 modulator with composite, component, VGA and HDMI inputs for both SD 480i and full 720P or 1080i HD ATV on 70cm and 33 cm bands.
Pico PQM (ASI input QAM-64 modulator for use in an all digital ATV repeater or add MEC MPEG encoder for a DATV exciter)
Demodulator: Holland HDD (analog output, great for adding a digital input to your existing analog ATV repeater)
Pico MPD-ASI (ASI digital output for use in full digital ATV repeater)
Accessories: MPC-12 chassis and power supply for the PQM modulator, MPD-ASI demodulator, and MEC MPEG encoder to build an all digital ATV repeater or link system.
Analog ATV:
Pico PCM55SAW SAW filtered VSB modulated with PLL frequency control for use on 70cm band ATV or add upconverter for higher bands.
Pico MMA 860 modulator, MPCM45, MPCMA, mini modulators adds portable and mobile ATV by adding regulated 5 volt source or use with Pico's rack chassis with power supply.
Holland HMMA, Mini modulator (same use as the Pico units)
Pico D860, PFAP-90CS mini demodulators can be used with the mini Pico modulators in the same Pico chassis for an ATV repeater or link.
Holland HDM-1 1RU rack size demodulator for 70cm band or add a down converter for higher bands.
Common ATV frequencies that fall on CATV channels:
421.25 MHz = CH-57, used for 70cm repeater output (423 MHz center channel QAM-64 digital)
427.25 MHz = CH-58, used for 70cm simplex and repeater output (429 MHz center channel QAM-64 digital, suggest running in HRC mode to shift center channel to 428 MHz to keep 432 MHz weak signal window clear)
434 MHz requires a change in reference crystal frequency to move CH-59, 433.25 MHz, simplex and repeater input, (435 MHz center channel QAM-64, suggest running in IRC mode to shift bottom of channel away from 432 MHz)
439.25 MHz= CH-60, simplex and repeater input. (441 MHz center channel QAM-64 digital)
913.25= CH-144 (915 MHz center channel QAM-64 digital)
919.25= CH-145 (921 MHz center channel QAM-64 digital)
Displaying products 1 - 30 of 99 results
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CEX-H4, CE Labs HDMI to HDMI Cables
Price: From $13.95 to $19.95
CEX-H4, CE Labs HDMI to HDMI Cables
E190NUDV Hi-Res Color Door View Camera
Price: $109.00
E190NUDV Hi-Res Color Door View Camera
NEW upgraded sensor. Now with 700 TVL resolution, D-WDR and 2D DNR circuitry.
ER-184-4PKIT, Four Post Kit Fits 19" Open Frame Racks, 84" High
Price: $83.00
ER-184-4PKIT, Four Post Kit Fits 19" Open Frame Racks, 84" High
The ER-184-4PKIT is a stabilization kit that converts the ER-184 from a two post rack to a four post rack.
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Video Products
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21st Century
  Welcome to the ATV
  Research On-Line Video
  Store.  We hope you find
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  an enjoyable experience. 
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  site to your heart's content.
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  They will continue to be
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  We can be reached
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  or (402) 987-3771.

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