Sentry 300 030209 Garage Receiver Overview
The Sentry 300 030209 garage receiver is used to let compatible Sentry/USAutomatic LCR transmitters operate a garage door opener through an added receiver. It is helpful when a customer wants the same Sentry remote family to control both a driveway gate and a garage door, but the garage opener does not already use a compatible radio frequency.
The receiver is wired to the garage door opener control input and programmed to the desired Sentry transmitter button. It does not replace the garage opener logic board, and it does not make unsafe or incompatible garage door controls acceptable. One receiver is typically needed for each garage door being controlled.
Compatible With
Use this receiver with compatible Sentry/USAutomatic LCR transmitters and garage door openers that accept a dry-contact style wall-button input or compatible control wiring.
- Sentry/USAutomatic LCR transmitters such as 030210 and 030212 when programmed to the receiver
- Garage door opener applications where an added receiver is needed for Sentry transmitter control
- One receiver per garage door when multiple doors need separate control
- Compatible gate or access-control command inputs when the receiver wiring and power supply match the application
- Commonly used with Sentry 300 systems where the same remote family is desired for gate and garage control
- Not a replacement for a garage opener circuit board, safety sensor, or incompatible high-voltage control circuit
Features and Specifications
| Manufacturer | USAutomatic / Sentry |
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| Product Type | Garage door receiver kit |
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| Part Number | 030209 |
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| Receiver Frequency | 433.92 MHz LCR family, verify transmitter compatibility |
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| Compatible Transmitters | Commonly used with 030210 and 030212 LCR transmitters |
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| Included Components | Receiver, transformer, wire harness, and mounting hardware commonly referenced |
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| Application | Add-on receiver for garage door opener control input |
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| Quantity Note | One receiver commonly needed for each garage door |
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| Notes | Existing garage remotes are typically not disconnected when adding this receiver |
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Also Known As / Related Part Numbers
- 030209
- 30209
- US-030209
- Sentry 030209
- Sentry 300 030209
- USAutomatic 030209
- US Automatic 030209
- Sentry garage receiver
- Sentry 300 garage receiver
- LCR garage receiver
- 433.92 MHz garage receiver kit
Technician Note
Before adding the receiver, identify the garage opener wall-button terminals and confirm the opener accepts the receiver output. Some modern garage openers use proprietary digital wall controls and may require special interface handling.
Before Ordering Checklist
- Confirm the customer wants Sentry transmitter control of a garage door.
- Verify the transmitter family is compatible, commonly 030210 or 030212 LCR.
- Check that the garage opener has a compatible control input for the receiver wiring.
- Plan one receiver per garage door if separate door control is needed.
- Keep hands and tools clear while programming because the door may operate.
Professional Advisory
Garage receiver installation involves wiring to a moving door operator. If terminal compatibility is uncertain, have a qualified garage door or gate technician verify the connections.
Product Questions
What is the Sentry 300 030209 receiver used for?
It is an add-on receiver that allows compatible Sentry/USAutomatic LCR transmitters to operate a garage door opener or compatible control input.
Do I need one receiver for each garage door?
Yes, one receiver is commonly needed for each garage door if the doors are controlled separately.
Will my existing garage remotes still work?
In many installations, existing garage remotes remain connected because the Sentry receiver is added to the opener control input.
Which remotes are commonly used with the 030209 receiver?
The 030210 2-button and 030212 4-button Sentry/USAutomatic LCR transmitters are commonly associated with this receiver family.
Can I wire this to any garage opener?
No. The garage opener must have a compatible control input and wiring arrangement. Some modern digital wall-control systems may not accept a simple receiver connection without the proper interface.
