Gate / Garage Door Openers – Commercial Door Operators – Radio Controls

Getting residents, employees, and visitors in and out with ease, security, and safety requires the right hardware, the right sofware, and the right accessories, all from the right manufacturer. For over five decades, Linear has been that manufacturer.
Garage Door Operators
Commercial Door Operators
Gate Operator Products
› Choosing a Gate Operator .pdf
Radio Control Products
Frequently Asked Questions
Gate / Door Opener Product List
Gate / Door Operator Manuals
Software Downloads
Gate Operator Downloads
AllStar Downloads


Garage Door OpenersSometimes less is a lot more. That’s the case with the expanded line of Linear garage door operators. Thanks to some unique design ingenuity, in which we use many of the same parts model to model, dealers can now stock reduced inventory, yet offer a wider range of models. Chain or belt drive, 1/2 or 1/3 horsepower. You can mix and match the operators that move the best in your market.


With interchangeable head units, rails, and horsepower versions, any way you configure a Linear system adds up to more value for your customers. And more profits for you.

1-2-3 Installations: Linear’s extraordinary attention to design details will enable you to zip right through each job.

  • Fast and easy rail connection
  • Non-polarity beam and wall station wiring
  • All sensitivity, limit adjustments, and transmitters learned on the same side of the head
  • Wall station can mount to a single-gang electrical box or directly to the wall
  • Beam bracket mounts to track or wall
  • Dual beam brackets adjustable for any door
  • Built-in diagnostics
  • Tear strip on rail boxes
  • Snap-in obstacle-sensing beams
  • LEDs show power, as well as alignment
  • Sonically sealed beams prevent water intrusion

Feature Rich: Linear operators come packed with standard features. On other operators, many of these features are options that cost extra or are not available at all.

  • Gears mounted in transmission type case
  • Worm gear reinforced ends with steel sleeve
  • Drive shafts aligned with brass bushing
  • One control board for all functions (AC units)
  • Built-in vibration isolator hanging brackets on Linear’s LSO & LCO models
  • Built-in self diagnostics

Thoroughly Tested: We test all our operators, not just as individual components, but as complete systems.

  • 13-point function test – head to chain or belt, obstacle sensors to radio
  • Results posted inside the operator case

Factory Backed: We stand behind our operators by offering the industry’s most generous warranties and the industry’s best customer support.

  • Lifetime warranties on LSO and LDO 1/2 HP motors, LCO 3/4 HP motor, LDCO800N DC motor
  • Lifetime warranty on HBT belts
  • East and West Coast distribution centers
  • National field sales and support network

Click here to see our full line of Garage Door Operator products
Door Operator Sub-Catalog (.pdf)
Garage Door Operator Replacement Parts List: LDO33, LDO50, LSO50, LCO75 (.pdf)
GDO Troubleshooting Guide: LDO33, LDO50, LSO50 (108KB .pdf)

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Commercial Door OperatorsLinear commercial door operators feature a solid state controller that reduces complexity of the operator and simplifies installation. It makes the operator ready right out of the box for most applications and reduces the “learning curve” for new installers. Many options are built-in so they don’t require special ordering from the factory. (Controller board not applicable to Model LCO75.)

  • Used in single and 3-phase operators
  • UL325 Listed
  • Rated for continuous duty
  • Reduces operator complexity
  • Simplifies installation
  • Reduces the “learning curve” for new installers
  • Diagnostic LED indicators
  • Wire harness connections for ease of service, no point-to-point wiring
  • On-board OPEN/CLOSE/STOP buttons for service and adjustments
  • Terminals labeled and grouped by function
  • Six selectable operating modes; B2, C2, E2, etc.
  • Seven adjustable features
  • Auto-detect monitored photo beam or optical sensing edge for simplified installation
  • Plug-in MVP receiver module compatible with Allstar & MVP transmitters
  • Field adjustable built-in functions; timer to close, mid-stop, delay on reverse, maximum run time, etc.
  • Single (five relay) replacement board services all Linear solid state commercial door operators
  • Logic functions controlled by microprocessor
  • Permanent memory saves user settings even if power is removed
  • Finger-safe high voltage connection for power and motor
  • Rated for horsepower and voltage
  • Configured for motor type
  • Can control contactor for high HP applications
  • Only two limits required; open & close
  • Close limit functions as reversing cutout and close limit
  • Provision for interlock (disconnect, pass-door, etc.)
  • Made in America – Certificate of Origin (.pdf)

Click here to see our full line of Commercial Door Operator products
Door Operator Sub-Catalog (.pdf)
AllStar Technical Downloads
Commercial Operator Troubleshooting Basics (.pdf)
Safety Guide for Commercial Operators (.pdf)

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Gate OperatorsLinear offers a complete line of gate operators designed to meet a wide variety of gate automation requirements. Packed with value and rugged durability, Linear operators are fully supported by a nationwide sales/support team committed to complete customer satisfaction. For over five decades, gate and door automation professionals have trusted Linear products for smooth performance and outstanding reliability.

Features that are standard, without additional cost – Linear swing, slide, and barrier gate operators come packed with standard features. On other operators, many of these features are options that cost extra or are not available at all.

  • Readily accessible emergency disconnect
  • Electrical power disconnect
  • Built-in master/second or paired mode capability
  • Field right-hand/left-hand selectable
  • Heavy-duty gear reducers standard (except HSLG and LRA)
  • ETL listed – UL325 compliant
  • Solid-state 24 VDC control circuitry
  • Designed to accept a complete line of accessories
  • Exterior reset button
  • Three-button station included
  • Single-phase motors – heavy-duty, permanent split capacitor (PSC)
  • Three-phase motor option on large gate models
  • Durable power-coat finish on heavy-duty commercial/industrial enclosures
  • Made in America – Certificate of Origin (.pdf)

Click here to see our full line of Gate Operator products
Basic questions to ask when choosing a Gate Operator (.pdf)
Gate Operator Sub-Catalog (.pdf)
Product Bulletin – Linear Introduces Integrated APeX Controller (.pdf)
Gate Operator Downloads 
AllStar Technical Downloads

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Commercial Door Operators: Radio ControlsFor remote control of garage door openers to gate operators, from loading dock doors to access control systems, from everyday entry to high security, Linear makes radio controls to cover the industry’s diverse range of applications. Single and multi-channel transmitters and receivers can be mixed and matched within product families to fit just about any installation. If it’s radio controls you need, you’ve come to the right source.

Transmitters and Receivers, Your Wireless Link

Since its beginning in 1961, Linear has manufactured radio remote controls for garage door operators and many other applications. Over the years, hundreds of models in various frequencies and code formats have been designed and developed for specific applications and uses. Linear’s heart of expertise is radio remote controls.

  • Our popular Delta 3 line offers 256 codes and a 310 MHz frequency, which is ideal for most sites.
  • Our MegaCode line offers a 318 MHz frequency and adds the security of over 1,000,000 codes, each sequentially preset by the factory to all but eliminate any possibility of duplication.
  • Our Multi-Code and Stanley compatible radio controls each offer 1,024 codes and either 300 or 310 MHz frequency.
  • The most solutions for commercial and residential applications. In 318 and 288 MHz frequencies with 19,687 settable codes and learning technology.
  • Linear’s radio control transmitters are further supplemented by a series of high-performance stand-alone radio receivers and access controllers for supporting systems of nearly any size and entry method.

Click here to see our full line of Radio Control products
Radio Control Sub-Catalog (.pdf)

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