Chamberlain is a well-known manufacturer of garage door openers, offering a variety of models to suit different needs and preferences. Here are some popular Chamberlain garage door opener models: 

1. Chamberlain B970 Ultra-Quiet Belt Drive Garage Door Opener: This model features a steel-reinforced belt drive system for smooth and quiet operation. It offers built-in Wi-Fi connectivity for smartphone control and monitoring, as well as battery backup for continued operation during power outages.   
2. Chamberlain B1381 Secure View Belt Drive Garage Door Opener: The B1381 model includes a built-in camera for live video streaming of your garage directly to your smartphone. It also features a steel-reinforced belt drive system, battery backup, and built-in Wi-Fi connectivity for remote control.
3. Chamberlain B550 Ultra-Quiet Belt Drive Garage Door Opener: This model offers reliable performance with a belt drive system and Chamberlain’s Motor Vibration Isolation System (MVIS) for quiet operation. It includes built-in Wi-Fi for smartphone control and monitoring, as well as compatibility with myQ smart home technology.
4. Chamberlain B730 Ultra-Quiet Belt Drive Garage Door Opener: The B730 model features a durable belt drive system and Chamberlain’s MED Lift Power System for lifting heavy garage doors. It includes built-in Wi-Fi connectivity and myQ compatibility for remote control and monitoring.
5. Chamberlain C205 Chain Drive Garage Door Opener: This model utilizes a chain drive system for reliable performance at an affordable price point. It includes built-in Wi-Fi for smartphone control and monitoring, as well as compatibility with myQ technology.
6. Chamberlain B750 Ultra-Quiet Belt Drive Garage Door Opener: The B750 model offers smooth and quiet operation with a belt drive system and Chamberlain’s Motor Vibration Isolation System (MVIS). It features built-in Wi-Fi connectivity and myQ compatibility for remote access.
7. Chamberlain PD612EV Chain Drive Garage Door Opener: This model features a durable chain drive system and Chamberlain’s Motor Vibration Isolation System (MVIS) for reduced noise. It includes built-in Wi-Fi for smartphone control and monitoring, as well as compatibility with myQ technology.
8. Chamberlain c2212t 
9. Chamberlain b4505t
10. Chamberlain b6753t

These are just a few examples of Chamberlain garage door opener models available on the market. Each model may offer different features, performance levels, and compatibility options, so it’s essential to choose the one that best suits your specific needs and preferences.