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Connector Type
F Connectors
Compatibility
RF Antenna or Cable Signals
Ease of Installation
Beginner (Installs < 10 minutes)
Brand
Channel Plus
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Notch Filter Blocks CATV and UHF Channels to Create Modulated Channels Without Interference
Channel Plus NF-471 Notch Filter, Blocks CATV 75-80
Channel Plus NF-471 Notch Filter, Blocks CATV 75-80
Channel Plus NF-471 Notch Filter, Blocks CATV 75-80
Item# 7822G
Price: Normally $51.35 
Hot Deal $40.99
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Free shipping on orders over $175 - See Details

Overview

  • Block a set of CATV and UHF channels to assign them to surveillance cameras
  • Create up to two modulated channels to broadcast without interference
  • Modulator sold separately

Essential Info

If you want to use a modulator to view surveillance footage on a specific UHF or CATV channel from any television in your home, you'll need access to one or more empty channels. If you can't find an empty channel, you can block CATV channels 75-80 and off-air UHF TV channels 24-29, thus allowing modulators to insert a channel without interference. With this notch filter in place, you can create two modulated channels (76 & 78) on CATV and two channels (25 & 27) on UHF.

What's Included

  • Notch filter
  • More Info


    How it Works
    Once installed on the incoming coax line, this device filters out channels to make room for modulated channels. In addition, the notch filter blocks the modulated signals from being broadcast back into the coax. Notch filters are also available that block CATV channels 64-70 and UHF 14-19 for 3 modulated channels and CATV channels 70-74 and UHF channels 19-23 for 2 modulated channels.

    Specifications

    Specifications

    Manufacturer:Channel Plus
    Manufacturer Product No.:NF-471
    UPC:782644010996
    Dimensions:3.25" L x 1 W"
    Blocks:CATV channels 75-80
    UHF channels 24-29
    Frequency Range:529.25 MHz to 559.25 MHz
    Input:F-connector
    Output:F-connector
    Channel Insertion:TV channels 25 & 27
    CATV channels 76 & 78


    Important notes:
    Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
    Manufacturer contact information: Linear Corp, Tel: (760) 438-7000 Ext 263

    Reviews

    16 Ratings
    5 star: 62%  (10)
    4 star: 25%  (4)
    3 star: 12%  (2)
    2 star: 0%  (0)
    1 star: 0%  (0)
    Average Customer Rating
    (16 customer ratings)
    Share your thoughts with other customers
    GARNET -- lethbridge, AB   5/19/2011
    Works perfectly. Let me add 2 channels with no interference with other channels and allowed a nice clean picture.
    LARRY N -- fort walton beach, FL   9/24/2009
    Great product. Worked as advertised. Made all the other channels clearer also.
    LAKE -- portage, MI   6/8/2009
    High quality, but too agressive on the low end of the notch. decreased channel 74 signal by 50%. 73 by 10%. Work well for CATV insertion.
    GILAD -- bellevue, WA   12/24/2008
    Works as expected: completely blocked the specified channels without affecting the non-blocked channels at all!
    ANTHONY -- kansas city, MO   8/13/2007
    works very good, however, it block out channels that we would normally watch.
    DALE -- grand blanc, MI   7/26/2007
    Blocked channels as expected!
    MIKE -- greer, SC   3/7/2007
    It works great. Digital cable channels caused extreme snow on my inserted channels 77 and 79. After inserting the filter, the snow was gone.
    RICHARD -- solon, OH   3/4/2007
    Does exactly what it's supposed to do. Enables my modulated signals to be completely clean from interference.
    JOHN -- traverse city, MI   2/28/2007
    The notch filter has rather "broad shoulders" and affects channels down to 72 and up to 83--otherwise it works fine.
    CHRIS -- edgewater, MD   2/8/2007
    Excellent

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