20-Channel Universal Garage Door Remote Duplicator 300–915MHz

Tired of juggling multiple remotes for your garage, gate, or barrier? The 20-Channel Universal Garage Door Remote Duplicator lets you clone up to 20 different fixed-code, learning-code, or rolling-code remotes into a single rechargeable device. Supporting frequencies across 300–915 MHz (16+ frequency types), it works with the vast majority of residential gate and garage door systems right out of the box.

Made in Mainland China.

⚠️ Important Notes:
This duplicator is designed for garage doors, gates, and barrier systems only. It cannot copy car or motorbike remote keys, or remotes that use advanced encryption chips. Not all brands worldwide are supported.

Why You'll Love It

• 20 Channels in One Device – Store and manage up to 20 remote codes in a single compact controller.
• Wide Frequency Range – Copies signals across 300–915 MHz covering 16+ frequency types for broad compatibility.
• Supports Multiple Code Types – Fixed codes (e.g. 2262), learning codes (e.g. 1527), rolling codes (e.g. HC301), and some non-standard encrypted remotes.
• Data-Safe Memory – High-quality chip retains stored codes even when the battery is replaced. Accidentally cleared a code? The built-in recovery function has you covered.
• Channel Lock Function – Lock individual channels to prevent accidental overwriting of important codes.
• USB-C Rechargeable – No need to buy replacement batteries. Simply recharge via the standard 5V Type-C port.
• Strong Transmission Range – Reliable signal up to 30–50 metres with 13 dBm transmit power.
• CE Certified – Meets European safety and performance standards.

Technical Specifications

• Receiving Frequency: 300–915 MHz
• Transmit Power: 13 dBm
• Operating Voltage: 3.7V
• Operating Current: 30 mA
• Remote Control Distance: 30–50 m
• Charging Interface: 5V Type-C USB
• Channels: 20
• Encoding Methods: Fixed code, Learning code, Rolling code

How to Use

1. Clear a Channel: Use the "+" / "−" buttons to select a channel. Press buttons 1 and 2 (△□) simultaneously for 2 seconds until the LED flashes rapidly and shows "- -".
2. Copy a Remote: Select your desired channel. Hold your original remote close to the duplicator and press the matching button on both remotes simultaneously for 3 seconds. The LED will confirm successful copy. Repeat for additional remotes on different channels.
3. Recover a Code: If a code is accidentally cleared, press buttons 3 and 4 (▽🔒) together for 2 seconds to restore the last saved code.
4. Lock / Unlock a Channel: Select the channel, then press buttons 2 and 3 (□▽) together for 2 seconds. The LED will indicate "locked" status. Repeat to unlock.

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For general guidance on radio frequency devices and consumer electronics safety, visit the U.S. Federal Communications Commission (FCC). For consumer product safety tips, see the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: Which types of garage door remote codes can this universal duplicator copy?

A: The 20-channel universal garage door remote duplicator supports most common fixed codes (such as 2262), learning codes (such as 1527), rolling codes (such as HC301), and some non-standard encrypted remote controls. It is not compatible with advanced encrypted chips used in car or motorbike keys.

Q: What frequency range does this garage remote duplicator support?

A: This duplicator covers a wide frequency range of 300–915 MHz and supports more than 16 different frequency types, making it compatible with the majority of residential garage doors and gate systems worldwide.

Q: Will I lose my stored codes if I replace the battery or accidentally clear a channel?

A: No. The high-quality memory chip retains all stored codes even when the rechargeable battery is replaced. If you accidentally clear a code, you can use the built-in code recovery function (buttons 3 + 4 held for 2 seconds) to restore the last saved data.

Q: How do I recharge this universal remote duplicator?

A: Simply plug a standard 5V USB-C cable into the charging port on the device. There is no need to buy or replace disposable batteries, making it a convenient and eco-friendly solution for everyday use.