Compatible with Chamberlain®, LiftMaster®, and most Craftsman® garage door openers manufactured after 1997 with safety sensors. For more information, click here
Easily create temporary PINs for guests.
New and improved, seamless setup.
Designed to withstand all weather conditions.
Ultra-secure encryption.
Illuminated keypad and one-touch close.
Features
The Chamberlain Wireless Keypad CH348 offers secure, keyless entry to your garage with a simple PIN code. Completely wireless and battery-powered, it installs easily without wiring and features backlit keys for convenient use day or night.
Built with Security+ 3.0 rolling code technology, the CH348 ensures enhanced protection by sending a new code with every use. It’s weather-resistant, compatible with Chamberlain, LiftMaster, and Craftsman openers, and allows flexible PIN programming for added convenience and safety.
Today’s garages are more than just places to park cars — they’re a main entry point into the home. That means security and convenience are essential. Many households have multiple drivers, kids coming and going, or neighbors who occasionally need access. Instead of handing out extra remotes or worrying about misplaced keys, a wireless garage keypad offers the perfect solution.
The Chamberlain Wireless Keypad CH348 is designed to provide keyless, secure entry to your garage door with just a simple PIN code. Built with Chamberlain’s trusted Security+ 3.0 technology, this wireless keypad ensures reliable performance and enhanced safety, all in a weather-resistant package. In this detailed guide, we’ll explore its features, benefits, installation process, compatibility, and troubleshooting — along with FAQs and comparison charts to help you decide if the CH348 is the right upgrade for your garage system.
Key Features of the Chamberlain CH348
Wireless Design for Easy Installation
The CH348 is completely wireless, powered by standard replaceable batteries. That means no wiring, drilling, or complicated setup. You can mount it to the outside of your garage in minutes and pair it with your garage door opener using the Learn button.
Secure Keyless Entry with PIN Codes
Forget remotes and keys — with the CH348, you enter your personal identification number (PIN) to open or close the garage door. This makes it especially useful for kids, family members, or trusted guests. If a PIN is compromised, you can change it quickly without replacing the keypad.
Security+ 3.0 Rolling Code Technology
Every activation sends a new, secure rolling code to your garage door opener. This prevents hackers from capturing your signal and replaying it. It’s a major security advantage over older keypads that used fixed codes.
Backlit Keypad for Nighttime Use
The illuminated keypad ensures clear visibility in low light. Whether you’re returning home late at night or leaving early in the morning, the backlit numbers make entry safe and convenient.
Weather-Resistant Durability
Built for outdoor use, the CH348 features a rugged housing that resists rain, wind, and sun exposure. Unlike cheaper keypads that degrade quickly, this unit is engineered to withstand varying climates while maintaining consistent performance.
Broad Compatibility
The CH348 works with Chamberlain, LiftMaster, and Craftsman garage door openers that use Security+ 3.0 technology (identified by a white Learn button on the opener). This makes it a versatile option for many households.
Installation Guide
Safety Considerations
Mount the keypad within sight of the garage door.
Install at a convenient height for all household members to use.
Keep it out of reach of very young children.
Step-by-Step Setup
Mount the Keypad: Use screws and anchors (if needed) to secure it to the exterior of the garage.
Access Learn Button: Press the Learn button on your garage door opener (usually located near the antenna wire).
Program the Keypad: Within 30 seconds, enter your desired PIN on the keypad and press the Enter button.
Confirm Success: The opener light will flash or you’ll hear a click, indicating programming is complete.
Test the PIN: Enter the PIN and press Enter to verify the door opens and closes.
Tools Required
Drill (if mounting on masonry or drywall)
Screwdriver
Anchors (for non-wood surfaces)
Most installations are completed in under 10 minutes.
Everyday Use
Using the CH348 is simple:
Enter your programmed PIN.
Press Enter to open or close the garage door.
If the wrong PIN is entered repeatedly, the keypad locks temporarily as a security measure.
Because the keypad is mounted outdoors, it provides shared access without the need for extra remotes. This makes it especially handy for kids after school, dog walkers, or even if you’re going for a jog without carrying keys.
Benefits of the Chamberlain CH348
Convenience: Keyless entry eliminates the need for lost remotes or misplaced keys, providing added security and convenience.
Security: Rolling code technology ensures protection from code-grabbing attempts.
Flexibility: Works with multiple Security+ 3.0 garage door openers.
Ease of Use: Backlit keys offer visibility in low-light conditions.
Accessibility: Perfect for families, service workers, or anyone needing garage access.
Troubleshooting the CH348
Problem: Keypad doesn’t respond
Check and replace batteries.
Ensure opener is compatible (Security+ 3.0 only).
Problem: The Door doesn’t open after entering the PIN
Reprogram keypad with opener’s Learn button.
Check for incorrect PIN entry.
Problem: Keys don’t light up
Replace batteries.
Ensure the weather hasn’t caused damage (the unit is weather-resistant, but extreme conditions may still require maintenance).
Problem: Forgot PIN
Reprogram by pressing the Learn button on the opener and setting a new PIN.
Frequently Asked Questions (FAQ)
Q: Can I use the CH348 with multiple garage doors? A: Yes, the keypad can be programmed to control multiple Security+ 3.0 openers.
Q: How do I change the PIN? A: Press the opener’s Learn button, then enter a new PIN on the keypad. The new code replaces the old one.
Q: What type of battery does it use? A: The CH348 uses standard replaceable batteries, typically AA or AAA, depending on model revision.
Q: Will it work with older Chamberlain openers? A: No. It only works with Security+ 3.0 (white Learn button) models.
Q: Is the keypad weatherproof? A: Yes, it’s built with weather-resistant housing designed for outdoor installation.
Q: Can the keypad be temporarily disabled? A: Repeated incorrect PIN attempts will lock the keypad for a short time, providing added security.
Q: Does it come with a warranty? A: Yes, Chamberlain offers a 1-year limited warranty on the CH348.
Conclusion
The Chamberlain Wireless Keypad CH348 is an excellent upgrade for homeowners seeking secure, keyless, and convenient garage access. With rolling code technology, a weather-resistant design, a backlit keypad, and simple installation, it checks all the boxes for modern garage door entry systems.
Whether you’re tired of carrying remotes, want to give family members easy access, or prefer the peace of mind that comes with secure PIN-based entry, the CH348 is a reliable solution. Built with Chamberlain’s reputation for quality and innovation, this wireless keypad is a small investment that adds lasting value to your home.
About Us
Family Garage Door Repair of Charlotte, NC is a trusted, family-owned company dedicated to keeping your garage doors working safely and smoothly. Specializing in residential garage door repair, installation, and maintenance, we combine skilled workmanship with a commitment to honest service. From broken springs, worn rollers, and off-track cables to opener repairs and new door installations, our technicians are trained to handle every detail with precision and expertise. We proudly service all major brands, including Chamberlain, LiftMaster, Clopay, Amarr, and more, ensuring homeowners get reliable results backed by quality parts. What sets us apart is our focus on customer care — we offer free estimates, transparent pricing, and solutions tailored to your home’s needs. With a reputation for dependability in Charlotte and the surrounding areas, Family Garage Door Repair is here to make sure your garage door not only functions properly but also adds safety, security, and curb appeal to your home.