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Battery Operated
# of Channels
1 Channel
# of Buttons
1 Button
Ease of Installation
Intermediate (Installs < 60 minutes)
Linear Corp.
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Deluxe One-Channel Transmitter
One Channel Transmitter
One-Channel Handheld Transmitter for MegaCode Receiver
Deluxe 1-Ch Xmitter
Item# 7444D1
Price: Normally $26.99 
Hot Deal $16.15
Free shipping on orders over $175 - See Details


  • Compatible with all Linear access receivers and controllers
  • Superior transmission range
  • Factory programmed MegaCode format supports over 1,000,000 codes

Essential Info

Security is important to you. That's why this Deluxe One-Channel Transmitter is the ideal accessory for your garage door operator. This lithium battery-powered transmitter uses a factory-programmed MegaCode format, which supports over one million codes, almost guaranteeing a lack of the possibility of code duplication.


What's Included

  • Deluxe One-Channel Transmitter
  • 2 3V 2032-type lithium batteries
  • More Info

    Block coding is available, should you be interested: Units are sequentially coded at the factory to your specifications; a facility code may be specified.



    Linear Corporation Product No.:MDT-1A
    Dimensions:1.6 in L x 0.8 in W x 4.2 in H (41 x 20 x 107mm)
    Power:Two 3V 2032-type lithium batteries
    Battery Life:Two 3V 2032-type lithium batteries
    Frequency:318 MHz
    Number of Codes:1,000,000 plus
    Warranty:1 year


    8 Ratings
    5 star: 38%  (3)
    4 star: 25%  (2)
    3 star: 25%  (2)
    2 star: 0%  (0)
    1 star: 12%  (1)
    Average Customer Rating
    (8 customer ratings)
    Share your thoughts with other customers
    MARK -- brighton, MI   2/3/2014
    Worked ok, but not impressed with the range. Have to be just outside garage door to get it to work.
    JONNY -- fountain inn, SC   8/13/2012
    Easy to use, good range, good product.
    HARRISON -- colorado springs, CO   10/13/2011
    Simple to register with the opener and a very reasonable transmission distance. It works at least 200 feet away from the receiver.
    PETER -- cortland, NY   10/29/2010
    Xmitters work well. Happy.
    JAMES -- binghamton, NY   12/7/2007
    Combined with the Megacode receiver the remote seems to have excellent range
    JAMESON -- taylor, MI   11/5/2005
    no problems works great
    LARRY -- clayton, CA   3/24/2005
    as always, smarthome products measure up to the sales pitch

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