20-Channel Rechargeable Garage Door Remote Duplicator 300-915MHz
20-Channel Rechargeable Garage Door Remote Duplicator 300-915MHz
20-Channel Rechargeable Universal Garage Door Remote Duplicator
Take full control of your access points with this powerful 20-Channel Rechargeable Key Duplicator. Designed to copy and store codes from existing wireless remote controls, this multi-frequency device works with a wide range of garage doors, barriers, and gate controllers operating between 300–915 MHz. Whether you need a backup remote or want to consolidate multiple remotes into one, this smart cloner handles it all.
Made in Mainland China.
Key Features
- 20 Independent Channels — Store and manage up to 20 different remote codes in a single device
- Wide Frequency Range — Covers 300–915 MHz, compatible with most fixed code, learning code, and select rolling code systems
- USB-C Rechargeable — Built-in rechargeable battery (3.7V, 25mA) with a convenient Type-C (5V) charging interface — no disposable batteries needed
- Long Remote Range — Transmits up to 30–50 metres for reliable operation at the gate or garage
- Channel Lock Function — Lock individual channels to prevent accidental code overwriting
- Code Recovery — Mistakenly cleared a code? Instantly restore the last saved code with a simple button combination
- Compact & Portable — Slim 78 × 43.2 × 16.5 mm design fits easily on a keyring or in your pocket
- Transmit Power: 13 dBm for a strong, reliable signal
How to Use
- Clear a Channel: Select the desired channel using the "+" and "–" buttons. Press the 1st and 2nd buttons simultaneously for 2 seconds until the LED flashes rapidly and displays "- -".
- Copy a Remote: Select a channel. Hold the original remote and this duplicator close together. Press the target button on the original remote AND the corresponding button on this unit simultaneously for 3 seconds. The channel LED will light up to confirm the copy. Repeat for additional buttons or remotes on different channels.
- Recover the Last Code: Press the 3rd and 4th buttons simultaneously for 2 seconds. The LED flashes and displays "- -" to confirm the code has been restored.
- Lock / Unlock a Channel: Select the channel, then press the 2nd and 3rd buttons simultaneously for 2 seconds. The LED blinks rapidly to confirm the lock. Repeat to unlock.
Specifications
| Frequency Range | 300–915 MHz |
| Channels | 20 |
| Transmit Power | 13 dBm |
| Operating Current | 25 mA |
| Operating Voltage | 3.7 V |
| Remote Range | 30–50 m |
| Charging Interface | USB Type-C (5V) |
| Dimensions | 78 × 43.2 × 16.5 mm |
| Encoding Supported | Fixed code, learning code, select rolling code |
You May Also Like
- Crystal Peony Car Rearview Decoration Pendant
- High-End Car Fragrance Distribution Pendant
- Microfiber Car Wash & Detailing Cloths
Learn more: FuelEconomy.gov on vehicle maintenance
Frequently Asked Questions
Q: What types of remote codes does this garage door duplicator support?
A: This 20-channel remote duplicator supports fixed code, learning code, and select rolling code systems operating between 300 and 915 MHz. It is compatible with most standard wireless garage doors, barriers, and gate controllers. Please verify your existing remote's frequency and encoding type before purchasing.
Q: How do I charge the remote duplicator?
A: The device features a built-in rechargeable battery charged via a standard USB Type-C (5V) port. Simply connect it to any USB-C cable and power adapter — no disposable batteries required, making it an eco-friendly and cost-effective choice.
Q: Can I store codes from multiple different remotes on one device?
A: Yes! With 20 independent channels, you can copy and store codes from up to 20 different remote controls (or 20 individual buttons across multiple remotes). Use the "+" and "–" buttons to navigate between channels, and lock any channel to prevent accidental overwriting.
Q: What should I do if I accidentally clear a code?
A: No need to worry — simply use the code recovery function by pressing the 3rd and 4th buttons simultaneously for 2 seconds. The duplicator will restore the last saved code for that channel automatically.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.