Transmitter Solutions Firefly 390LMD21K Garage Door Opener Keychain Remote
  • Usually Ships Following Business Day
Transmitter Solutions

Transmitter Solutions Firefly 390LMD21K Garage Door Opener Keychain Remote

SKU:
390LMD21K
  • Usually Ships Following Business Day
atc-product:
390LMD21V
atc-product:
387LM
availability:
available
MSRP: $15.05
$13.68
(You save $1.37 )
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Product Description

Product Description (Action Direct):

Keep convenient control of your garage or gate with the Firefly 310LID22K Keychain Remote from Action Direct. This compact two-button transmitter features distinct button sizes for easy use and an integrated keychain clip to keep it close at hand—perfect for keys, bags, or belt loops.

Operating at 310 MHz, it’s compatible with Linear transmitters and receivers and features an 8 dip switch configuration for straightforward DIY programming. A built-in LED confirms signal transmission, while the durable black case ensures lasting use.

Product Highlights:

  • Part Number: 310LID22K3

  • Alternate Part Number: CCF3102B

  • Frequency: 310 MHz

  • Two-button remote with distinct sizing

  • 8 dip switch programming

  • LED test/operate light

  • Keychain clip design

  • Powered by 12V battery

  • Black case with rounded edges

SEO Title:
Firefly 310LID22K Garage Remote

Meta Description:
Two-button 310MHz keychain remote with LED, 8 dip switches, and clip. Compatible with Linear systems.

Let me know if you’d like this formatted for a product page upload or if you're ready for the next one!

You said:
Get where you need to go faster with the Firefly 318ALD31K garage door opener remote. This handy keychain model can be attached to your car or house keys for easy and quick access any time you need it. This particular Firefly 318ALD31K garage door remote works with all Allstar receivers and transmitters. Open your gates or garage doors swiftly by using this Firefly keychain remote. For more information about this convenient product, see the "Questions" feature below. You can check out what other users have asked about or place your own questions on this page. New Part# 318ALD31K3 Alternate Part# CC318ALD31K Tan case featuring smooth, rounded corners Keychain model with one-hand clip Test/operate LED shows when you've pressed the button to activate your doors Long-life 12-volt battery required 318 MHz frequency Battery compartment contains nine dip switches Works with any Allstar transmitter or receiver
ChatGPT said:

Here’s your rewritten product description for Action Direct, along with an SEO title and a meta description under 150 characters:

Product Description (Action Direct):

Speed up your entry with the Firefly 318ALD31K Keychain Garage Door Remote from Action Direct. Designed for convenience, this compact remote clips easily to your keys or bag and operates seamlessly with all Allstar transmitters and receivers.

With a 318 MHz frequency and 9 dip switches in the battery compartment, it’s simple to program and use. A built-in LED confirms each transmission, and the sleek tan case is shaped for comfort and durability.

Product Highlights:

  • Part Number: 318ALD31K3

  • Alternate Part Number: CC318ALD31K

  • Frequency: 318 MHz

  • Compact keychain design with one-hand clip

  • 9 dip switch programming

  • LED test/operate light

  • Powered by 12V long-life battery

  • Works with all Allstar transmitters and receivers

  • Smooth tan case with rounded edges

SEO Title:
Firefly 318ALD31K Allstar Keychain Remote

Meta Description:
Keychain garage remote for Allstar, 318 MHz, LED, 9 dip switches, one-hand clip.

Let me know when you’re ready for the next one!

You said:
The Firefly 390LMD21K garage door opener makes it easy to keep your remote within reach at all times. This Firefly transmitter comes on a sturdy clip-on keychain that you can keep on your house keys, your car keys or attached to your pocket or purse. Simply click the single button to open or close your garage door swiftly and smoothly. The Firefly 390LMD21K garage door remote works with any LiftMaster receiver or transmitter, and is considered a generic version of the 61LM. To find out more about this great product, use the "Questions" feature below to get answers from our staff and other customers who own the product. New Part# 390LMD21K3 Alternate Part# TRACOMFIR611K Capable of replacing Remote Models 81LM, 51LM, 750CB, and 850CB. Keychain features a simple clip-on style LED lights up when testing or operating the remote Blue case features smooth, rounded corners Frequency of 390 MHz 9 dip switches are located in the back battery compartment One 12V battery required
ChatGPT said:

Here’s a re-written version of the Firefly 390LMD21K product description tailored for Action Direct, with SEO optimization included:

Product Description (Action Direct):

Keep your garage door remote close at hand with the Firefly 390LMD21K Keychain Remote, available at Action Direct. Compact and reliable, this remote operates at 390 MHz and is compatible with LiftMaster systems, including models 81LM, 51LM, 750CB, and 850CB.

With 9 dip switches for easy programming and a built-in LED indicator, this keychain remote offers a seamless user experience. The rounded blue case and clip-on keychain design make it perfect for your keys, bag, or pocket.

Product Highlights:

  • Part Number: 390LMD21K3

  • Alternate Part Number: TRACOMFIR611K

  • Replaces LiftMaster 81LM, 51LM, 750CB, 850CB

  • 390 MHz frequency

  • 9 dip switches in rear battery compartment

  • LED test/operate light

  • Blue case with rounded edges

  • Clip-on keychain style

  • Requires one 12V battery

Related Products

Reviews

TS-Firefly-390LMD21K.pdf

Product Manual

Download Manual

TS-Firefly-390LMD21K.pdf

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