In today’s world of smart home convenience and enhanced security, having reliable access to your garage is a necessity. One of the most popular and dependable accessories in this field is the Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener. Designed for seamless compatibility, secure access, and user-friendly operation, this remote control stands out for both its functionality and security features.
If you’re searching for a trustworthy and easy-to-use remote for your garage door opener, the Liftmaster Chamberlain 973Lm might be exactly what you need. In this in-depth guide, we’ll cover everything from how it works, how to program it, to why it’s such a reliable choice for homeowners using LiftMaster, Chamberlain, or Sears Craftsman garage door systems.
Read too: How Many Remotes Can A Chamberlain Garage Door Opener Have? Understaanding the Limits and Options
What Is the Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener?
The Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener is a three-button transmitter designed to operate garage door openers and gate operators that use Security+ technology and function on the 390 MHz frequency. It’s a universal remote for LiftMaster, Chamberlain, and compatible Sears Craftsman systems manufactured between 1997 and 2005.
This handheld remote offers secure, convenient access to your garage with the added benefits of Security+ rolling code technology, which enhances protection against code theft. It can control up to three separate garage doors or gates, making it ideal for households with multiple garage doors or vehicles.
Key Features of the 973LM Remote Control
Let’s break down the key benefits and specifications of the Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener:
1. Three-Button Operation
Control up to three different garage doors or gate systems, or assign each button a separate function, such as door, lights, or gate access.
2. Security+ Rolling Code Technology
This feature changes the access code each time the remote is used—selecting from over 100 billion possible codes—to prevent unauthorized entry and enhance garage security.
3. 390 MHz Frequency
Compatible with garage door openers that operate on this frequency, manufactured between 1997 and 2005. Always double-check your opener’s specifications to ensure compatibility.
4. Compact and Durable Design
Fits comfortably on a keychain or car visor clip (included), and the sturdy casing ensures long-term use without physical wear and tear.
5. LED Light for Feedback
A small LED light illuminates when a button is pressed, confirming that a signal was sent to your garage door opener.
Why Choose the Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener?
If you’re wondering why this particular remote control is still in high demand despite newer smart remotes in the market, here’s why:
1. Simple Yet Reliable
Unlike smart garage apps that require internet connectivity, this remote works instantly and doesn’t depend on Wi-Fi, Bluetooth, or apps.
2. Excellent Compatibility
Whether you’re using a LiftMaster 1/2 HP chain drive or a Chamberlain belt-driven opener, as long as the system operates on a 390 MHz Security+ logic board, the 973LM remote is a perfect fit.
3. Great for Multiple Users
Homeowners with multiple vehicles, children, or renters can assign each person their own button, minimizing security risks.
4. Replacement or Backup
Lost or damaged your original remote? The 973LM is the ideal replacement. It’s also a great backup to keep in a drawer or second vehicle.
How to Program the Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener
Programming this remote is fast and easy. You don’t need any special tools or technical skills—just access to your garage door opener’s “Learn” button.
Steps to Program:
- Locate the Learn Button on your garage door opener. It’s typically found near the antenna wire and may be red, orange, yellow, or purple depending on the model.
- Press the Learn Button once. The LED indicator next to it should light up.
- Within 30 Seconds, press and hold the desired button on your 973LM remote control until the garage door opener light blinks or you hear two clicks.
- Release the Button. The remote is now successfully programmed.
Note: For multi-button remotes, each button must be programmed individually.
Maintenance and Battery Replacement
The 973LM remote is powered by a long-lasting 3V lithium battery (CR2032). Though the battery life usually extends beyond 12 months, it’s a good idea to replace it annually for optimal performance.
Signs You Need a New Battery:
- The LED light is dim or doesn’t illuminate
- The garage door doesn’t respond consistently
- You need to be very close to the opener for it to work
Battery Replacement Instructions:
- Use a small screwdriver or coin to pry open the remote’s casing.
- Remove the old battery.
- Insert the new battery with the correct polarity (+ facing up).
- Snap the casing back together and test functionality.
Common Issues and Troubleshooting
Like any electronic device, the Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener may experience occasional issues. Here’s how to address common problems:
Remote Not Working?
- Check the battery.
- Ensure it’s programmed to the correct opener.
- Check for interference (e.g., LED lights or electronics near the opener).
- Reprogram the remote if it was accidentally erased from the opener’s memory.
Lost Your Remote?
You can erase all previously programmed remotes by pressing and holding the Learn button for 6 seconds—then reprogram your remaining remotes.
Is the 973LM Still a Good Choice in 2025?
Absolutely. Even in a smart-tech-driven world, the Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener remains one of the most user-friendly and secure options for homeowners who want dependable access without the hassle of apps, Wi-Fi, or subscriptions.
It’s especially ideal for:
- Older LiftMaster and Chamberlain garage systems still in good working condition
- Rental properties where simplicity is key
- People who prefer tactile controls over smartphones
Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener vs. Other Remotes
When compared with newer smart remotes or universal garage door openers, the 973LM holds its ground due to several key strengths:
Pros:
- No internet or app dependency
- Ultra-reliable and long-lasting
- Easy to replace and reprogram
- Great range and signal strength
- Compatible with visor clips and keychains
Cons:
- Not compatible with newer Security+ 2.0 openers
- Limited to 390 MHz systems only
- No smart home integration
Still, for systems made between 1997 and 2005, this remote remains unmatched in performance and simplicity.
Final Thoughts
The Liftmaster Chamberlain 973Lm Security Plus Remote Control Garage Door Opener is a classic tool that still delivers excellent results today. With its strong security features, ease of use, and compatibility with older systems, it’s an excellent solution for many homeowners.
Whether you’re looking for a replacement, a backup, or a simple, secure garage remote without the complexities of smart tech, the 973LM is a top contender. Reliable, sturdy, and affordable, it does exactly what it promises—opens and closes your garage door with ease and peace of mind.
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