Transmitter Solutions Firefly 315LMD21K Garage Door Opener Keychain Remote
  • Usually Ships Following Business Day
    • MSRP: $15.05
    $13.68
    (You Save $1.37)
Transmitter Solutions

Transmitter Solutions Firefly 315LMD21K Garage Door Opener Keychain Remote

SKU:
315LMD21K
MSRP: $15.05
$13.68
(You Save $1.37)
  • Usually Ships Following Business Day
Adding to cart… The item has been added
brand-url:
/brand/transmitter-solutions/
brand-name:
Transmitter Solutions
atc-product:
315LMD21V
atc-product:
387LM
availability:
available
  • Shipping Cost? For the cost of shipping your item please add the item into the shopping cart. Once the part is in the cart fill out address information in the cart under the Shipping area in the Summary section. Our system will then calculate the shipping fee based on your location and the weight of the product. This is all done before you are asked to provide payment information.

The Firefly 315LMD21K Remote is a compact keychain-style transmitter designed for convenient, reliable control of LiftMaster garage door and gate operators. With its lightweight design, intuitive one-button operation, and strong signal transmission, this remote is both portable and dependable.

Product Highlights

  • Part Numbers:

    • New: 315LMD21K3

    • Alternate: TRAFIR315LMD21K

  • Design: Grey button with blue case; clip-style keychain for portability.

  • Indicator: Red LED shows battery strength and confirms signal transmission.

  • Security: 9-position trinary dip switches offering 19,683 digital code combinations.

  • Accessories: Includes directional visor clip and 12V battery.

  • Frequency: Operates on 315 MHz.

  • Compatibility: Works with all 315 MHz LiftMaster gate operators and radio controls using 9 trinary dip switches. Compatible with LiftMaster 361LM openers.

The Firefly 315LMD21K is the perfect portable remote solution for controlling your LiftMaster garage door or gate system with ease and security.


Related Products

TS-Firefly-315LMD21K.pdf

Product Manual

Download Manual

TS-Firefly-315LMD21K.pdf

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