America's Best Transmitters | Supplier of Garage Door and Car Openers

With more than 20 years of experience offering typical German quality and reliability in design development, plus an efficient, low-cost production facility in China, you can depend on Heddolf Keystone to provide a quality product at an affordable price.The following is a listing of the products we currently offer.

Heddolf 360 Mhz frequency transmitter Garage Door Opener for OverHead Door or Crusader

Model: O220-1KA/360

Heddolf 360 MHz Garage Door Opener Remote Visor size gate or garage door opener remote transmitter.
Codes using 9 dip switches with 3 positions each (+/0/-).
Compatible with Over Head Door, Crusader, Heddolf brand garage door openers.
360 Mhz frequency, visor clip and 9V battery included.

Heddolf 340 Mhz frequency transmitter Garage Door Opener for OverHead Door or Crusader

Model: O220-1KA/340

Heddolf 340 MHz Garage Door Opener Remote
Visor size gate or garage door opener remote transmitter
Codes using 9 dip switches with 3 positions each (+/0/-)
Compatible with Over Head Door, Crusader, Heddolf brand garage door openers.
340 Mhz frequency, visor clip and 9V battery included

Heddolf 390 Mhz frequency transmitter Garage Door Opener for OverHead Door or Crusader

Model: O220-1KA/390

Heddolf 390 MHz Garage Door Opener Remote
Visor size gate or garage door opener remote transmitter
Codes using 9 dip switches with 3 positions each (+/0/-)
Compatible with Over Head Door, Crusader, Heddolf brand garage door openers.
390 Mhz frequency, visor clip and 9V battery included

Heddolf 312 MHz Frequency Transmitter Garage Door Opener - ESP Micom compatible- Model ID220-312

Model: ID220-1KA

Heddolf 312 MHz Garage Door Opener Replacement Remote Transmitter
Visor size gate or garage door opener remote transmitter
Compatible with Micom ESP, Intercontinental Dynamics,  Heddolf brand garage door openers
312 Mhz frequency, Nine (9)-2 position (on/off) dip switches format, visor clip and 9V battery included

Heddolf 318 Mhz frequency transmitter Garage door opener for Allstar, Allister, Pulsar and Challenger (BINARY)

Model: P222-1K

Heddolf 318 MHz Garage Door Opener Remote Transmitter (BINARY) Heddolf garage door opener remote control transmitter model P222-1K (same as Allstar, Allister or Pulsar model 921-318)  Replaces Pulsar, Allister and Allstar brand gate or garage door openers
1- Button single channel remote control transmitter
318 MHZ Frequency visor size gate or garage door opener
Nine (9) 2-positions (binary) dip switch format, clip and 9V battery included
Compatible with receiver model 921R-318 and 2-button transmitter model 822-318
Also available in key-chain size, the Carper model 318 is a direct compatible replacement

Heddolf 340 Mhz frequency key-chain transmitter Garage Door Opener for OverHead Door or Crusader

Model: O219-1K/340

Heddolf 340 MHz Garage Door Opener Remote Transmitter Mini key-chain size gate or garage door opener remote transmitter
Codes using 9 dip switches with 3 positions each (+/0/-)
Compatible with Over Head Door, Crusader, Heddolf brand garage door openers.
340 Mhz frequency, key-chain and 12V battery included

Heddolf 360 Mhz frequency key-chain transmitter Garage Door Opener for OverHead Door or Crusader

Model: O219-1KA/360

Heddolf 360 MHz Garage Door Opener Remote Transmitter Mini key-chain size gate or garage door opener remote transmitter
Codes using 9 dip switches with 3 positions each (+/0/-)
Compatible with Over Head Door, Crusader, Heddolf brand garage door openers.
360 Mhz frequency, key-chain and 12V battery included

Heddolf 390 Mhz frequency key-chain transmitter Garage Door opener for OverHead Door or Crusader

Model: O219-1K/390

Heddolf 390 MHz Garage Door Opener Remote Transmitter Mini key-chain size gate or garage door opener remote transmitter
Codes using 9 dip switches with 3 positions each (+/0/-)
Compatible with Over Head Door, Crusader, Heddolf brand garage door openers.
390 Mhz frequency, key-chain and 12V battery included

Heddolf Receiver compatible with Allister and Pulsar P294-1K

Model: P294-1K

Heddolf 318 MHz Universal Garage Door Opener Receiver P294-1K Size : 4 ½’ x 3 ½’ (4’ including mounting tabs) x 1 ¼’
Receiver with wires used with gate operators
Switchable between 12 and 24 Volt
Switchable relay from pulse to continuous
Compatible with Allstar and Pulsar 318 Frequency systems
Codes using 9 dip switches with 3 positions each. (+/0/-)
Both F connector & wire standard.

Heddolf Receiver compatible with Allister and Pulsar P294-1KA

Model: P294-1KA

Heddolf 318 MHz Universal Garage Door Opener Receiver P294-1KA Size : 4 ½’ x 3 ½’ (4’ including mounting tabs) x 1 ¼’
Receiver with spades used with garage door
Switchable between 12 and 24 Volt
Switchable relay from pulse to continuous
Compatible with Allstar and Pulsar 318 Frequency systems
Codes using 9 dip switches with 3 positions each. (+/0/-)
Both F connector & wire standard.

Heddolf Receiver compatible with Allister and Pulsar P294-3K

Model: P294-3K

Heddolf 318 MHz Universal Garage Door Opener Receiver P294-3K Size : 4 ½’ x 3 ½’ (4’ including mounting tabs) x 1 ¼’
Controls three door operator’s with one receiver.
Fits virtually ALL applications
Switchable between 12 and 24 Volt
Switchable relay from pulse to continuous
Compatible with Allstar and Pulsar 318 Frequency systems
No DS, Learned Code
Both F connector & wire standard

Heddolf 318 MHz Allstar-Compatible Gate or Garage Door Opener Remote Transmitter - Keychain Size

Model: P219-1KA

Size 2 ¼’ x 1 ½’ x ½’
Available in 1 & 2 button versions.
318 MHz frequency gate or garage door opener
Replaces Pulsar or Allister brand units
1-button single-channel remote transmitter
Nine (9) 3-position trinary dip switch format
Compatible with Allstar receiver model 931-318R

Heddolf 318 MHz Allstar Pulsar & Heddolf - Compatible Gate or Garage Door Opener Remote Transmitter - Two Buttons Keychain Size

Model: P219-2KA

Size 2 ¼’ x 1 ½’ x ½’
Available in 1 & 2 button versions.
318 MHz frequency gate or garage door opener
Replaces Pulsar or Allister brand units
1-button single-channel remote transmitter
Eight (8) 3-position trinary dip switch format
Compatible with Allstar receiver model 931-318R

Heddolf 310 MHz Stanley-Compatible Gate or Garage Door Opener Remote Transmitter - Keychain Size

Model: S219-1K

Size 2 ¼’ x 1 ½’ x ½’
310 MHz frequency gate or garage door opener
Replaces Stanley brand units
1-button single-channel remote transmitter
Ten (10) 2-position binary dip switch format
12V Alkaline battery

Heddolf 318 Mhz frequency transmitter Garage Door Opener for Allstar, Allister, Pulsar and Challenger (TRINARY)

Model: P220-2KA

Heddolf 318 MHz Garage Door Opener Remote (TRINARY) Heddolf garage door opener remote control transmitter model P220-318 (same as Allstar, Allister or Pulsar)
Replaces Pulsar or Allister brand unis
2 Button 2 channel remote transmitter
318 MHZ Frequency gate or garage door opener
Eight (8) 3-positions (trinary) dip switch format
Also available in key-chain size
Compatible with receiver model 931R-318

Heddolf 318 Mhz frequency transmitter Garage Door Opener for Allstar, Allister, Pulsar and Challenger (TRINARY)

Model: P220-3KA

Heddolf 318 MHz Garage Door Opener Remote (TRINARY) Heddolf garage door opener remote control transmitter model P220-318 (same as Allstar, Allister or Pulsar)
Replaces Pulsar or Allister brand units
3 Button 3 channel remote transmitter
318 MHZ Frequency gate or garage door opener
Eight (8) 3-positions (trinary) dip switch format
Also available in key-chain size
Compatible with receiver model 931R-318

Heddolf 390 Mhz frequency transmitter Garage Door Opener for Chamberlain, Liftmaster, Sears Gate or Garage Door Systems C220-390

Model: C220-1KA

Heddolf 390 MHz Gate or Garage Door Opener Remote Transmitter Visor size gate or garage door opener remote transmitter
Codes using 9 dip switches with 3 positions each (+/0/-)
Compatible with Chamberlain, Liftmaster, Sears brand garage door openers.
390 Mhz frequency, visor clip and 9V battery included

Heddolf 390 Mhz frequency transmitter Garage Door Opener for Genie Gate or Garage Door Systems G220-390

Model: G220-1KA

Heddolf 390 MHz Gate or Garage Door Opener Remote Transmitter Visor size gate or garage door opener remote transmitter
Codes using 9/12 dip switches with 2 positions each (on/off)
Compatible with Genie brand garage door openers.
390 Mhz frequency, visor clip and 9V battery included

Heddolf 310 Mhz frequency transmitter Garage Door Opener for Linear Gate or Garage Door Systems L220-310

Model: L220-1K

Heddolf 310 MHz Gate or Garage Door Opener Remote Transmitter Visor size gate or garage door opener remote transmitter
Codes using 8 dip switches with 2 positions each (on/off)
Compatible with Linear brand garage door openers.
310 Mhz frequency, visor clip and 9V battery included

Heddolf 310 Mhz frequency transmitter Garage Door Opener for Stanley Gate or Garage Door Systems S220-310

Model: S220-1KA

Heddolf 310 MHz Gate or Garage Door Opener Remote Transmitter Visor size gate or garage door opener remote transmitter
Codes using 10 dip switches with 2 positions each (on/off).
Compatible with Stanley brand garage door openers.
310 Mhz frequency, visor clip and 9V battery included

Heddolf Receiver compatible with Multi Elmac M294-1K

Model: M294-1K

Heddolf 300 MHz Universal Garage Door Opener Receiver M294-1K Size : 4 ½’ x 3 ½’ (4’ including mounting tabs) x 1 ¼’
Receiver with wires used with gate operators
Switchable between 12 and 24 Volt
Switchable relay from pulse to continuous
Compatible with Multi Elmac 300 Frequency systems
Codes using 10 dip switches with 2 positions each. (on/off)
Both F connector & wire standard.

Heddolf Receiver compatible with Multi Elmac M294-2K

Model: M294-2K

Heddolf 300 MHz Universal Garage Door Opener Receiver M294-2K
Size : 4 ½’ x 3 ½’ (4’ including mounting tabs) x 1 ¼’
Controls two door operator’s with one receiver.
Switchable between 12 and 24 Volt
Switchable relay from pulse to continuous
Compatible with Multi , Elmac 300 Frequency systems
Codes using 9 dip switches with 2 positions each. (on/off)
Both F connector & wire standard

Heddolf 433.92 Mhz frequency transmitter Garage Door Opener  or Garage Door Systems EX220-1K

Heddolf’s New Long Range Transmitter Rated Exceptional quality by top government agency!

Model: EX220-1K

Heddolf 433.92 MHz Visor Size Gate or Garage Door Opener Remote Transmitter
Designed to work exclusively with the ER294 Long Range Receiver
Codes using 10 dip switches with 2 positions each (on/off)
Works consistently at 1,500FT.
433.92 Mhz frequency, visor clip and 9V battery included
Antenna included

Heddolf 433.92 Mhz frequency receiver Garage Door Opener  or Garage Door Systems ER294-1K

Heddolf’s New Long Range Receiver Rated Exceptional quality by top government agency!

Model: ER294-1K

Heddolf 433.92 MHz Gate or Garage Door Opener Remote Receiver Size : 4 ½’ x 3 ½’ (4’ including mounting tabs) x 1 ¼’
Switchable between 12 and 24 Volt
Codes using 10 dip switches with 2 positions each (on/off)
Optional antenna and coax available for receiver to increase antenna height and reception distance.
All ratings are "line of sight". Obstructions and local electrical interference can cause decreased performance.
Receiver with wires used with gate operators
Works consistently at 1,500FT.

Heddolf 318 Mhz frequency Wireless Keypad

Model: P330-1KA

Heddolf 318 MHz Gate or Garage Door Opener Wireless Keypad Size : 6’ x 3 3/8’ x 2’
Holds up to 60 individual 4-digit user code Plus the master code.
User friendly coding
Back lit keypad
Weather Proof Encolsure
Can be hardwired and/or wireless
Designed to mount on gooseneck post or wall
Compatible with the Allstar, Pulsa receivers
Stainless steel faceplate
Polycarbonate housing
With dip switches for easy programming

Heddolf 300 Mhz frequency Wireless Keypad

Model: M330-1KA

Heddolf 300 MHz Gate or Garage Door Opener Wireless Keypad Size : 6’ x 3 3/8’ x 2’
Holds up to 60 individual 4-digit user code Plus the master code.
User friendly coding
Back lit keypad
Weather Proof Encolsure
Can be hardwired and/or wireless
Designed to mount on gooseneck post or wall
Compatible with the Muti Code receivers
Stainless steel faceplate
Polycarbonate housing
With dip switches for easy programming

2-year warranty
Same-day shipping
Compatible with all brands of openers
Friendly, prompt tech advice
Most competitive price
20 years of experience in producing quality radio controls

Keystone has more than 20 years experience in contract manufacturing for some of the world’s leading companies.

Our capabilities include a complete in-house engineering department with a strong emphasis on radio frequencies and infrared technologies with cost efficient factories located in China.

Heddolf/Keystone transmitters & receivers are not affiliated with Chamberlain®, Liftmaster®, Sears®, Genie®, & Overhead Door® and they are all registered trademarks of their respective companies.

The Heddolf/Keystone compatible type transmitters/receivers listed herein are not manufactured by the trademarked companies listed. They are manufactured for Heddolf/Keystone remotes and are designed to work with the brands listed. Chamberlain®, Liftmaster®, Sears®, Genie®, & Overhead Door® are all registered trademarks of their respective companies.

Heddolf 300 MHz Multi-Compatible Gate or Garage Door Opener Remote Transmitter - Keychain Size

Model: M219-1K

Size 2 ¼’ x 1 ½’ x ½’
300 MHz frequency gate or garage door opener
Replaces Multi Elmac brand units
1-button single-channel remote transmitter
Ten (10) 2-position binary dip switch format
12V Alkaline battery

Heddolf 300 Mhz frequency transmitter Garage Door Opener
for Multicode Gate or Garage Door Systems M220-300

Model: M220-1KA

Heddolf 300 MHz Gate or Garage Door Opener Remote Transmitter
Visor size gate or garage door opener remote transmitter
Codes using 10 dip switches with 2 positions each (+/-).
Compatible with Multi, Elmac brand garage door openers.
300 Mhz frequency, visor clip and 9V battery included

Heddolf 318 Mhz frequency transmitter garage door opener for Allstar, Allister, Pulsar and Challenger (TRINARY)

Model: P220-1KA

Heddolf 318 MHz Garage Door Opener Remote (TRINARY) Heddolf garage door opener remote control transmitter model P220-318 (same as Allstar, Allister or Pulsar)
Replaces Pulsar or Allister brand units
1 Button single channel remote transmitter
318 MHZ Frequency gate or garage door opener
Nine (9) 3-positions (trinary) dip switch format
Also available in key-chain size
Compatible with receiver model 931R-318

Heddolf 390 Mhz frequency ROLLING CODE Remote Transmitter Compatible with Chamberlain/LiftMaster/Sears Garage Door or Gate Opener

Model: CRC390-1K

Chamberlain/LiftMaster/Sears Compatible ROLLING CODE Transmitter
Visor clip
Size 3" x 1 3/4" x 1/2"
390 MHz frequency
1-Button Single-Channel Remote Transmitter
Commonly Available 12 Volt Alkaline Battery
Also available in 3 button

Heddolf 315/390 Mhz frequency ROLLING CODE Remote Transmitter Compatible with Chamberlain/LiftMaster/Sears Garage Door or Gate Opener

Model: CRC315/390-3K

Chamberlain/LiftMaster/Sears Compatible ROLLING CODE Transmitter
Visor clip
Size 3" x 1 3/4" x 1/2"
390 MHz frequency Garage Door or Gate Opener Remote Transmitter
3-Button Three-Channel Remote Transmitter
Commonly Available 12 Volt Alkaline Battery
390 or 315 also available in 1 button

Heddolf 390 MHz Frequency ROLLING CODE Remote Transmitter Compatible with Genie & Overhead Door for Garage Door Opener or Gate Opener

Model: GRC390-1K

Genie & Overhead Door Compatible ROLLING CODE Transmitter
Visor Clip
390 MHz Frequency
1-button single-channel remote transmitter
9 Volt Alkaline Battery
Also available in 3 button

Heddolf 315/390 MHz Frequency ROLLING CODE Remote Transmitter Compatible with Genie & Overhead Door for Garage Door Opener or Gate Opener

Model: GRC315/390-3K

Genie & Overhead Door Compatible ROLLING CODE 315 or 390 MHz
Visor clip
390 MHz frequency
3-Button, 3-Channel Remote Transmitter
9 Volt Alkaline Battery
390 also available in 1 button

Heddolf 315 Mhz frequency ROLLING CODE Remote Transmitter Compatible with Chamberlain/LiftMaster/Sears for Garage Door or Gate Opener

Model: CRC315-1K

Chamberlain/LiftMaster/Sears Compatible ROLLING CODE Transmitter
Visor clip
Size 3" x 1 3/4" x 1/2"
315 MHz frequency
1-Button Single-Channel Remote Transmitter
Commonly Available 12 Volt Alkaline Battery
Also available in 3 button