433MHz Cloning Key Fob Duplicator – Gate & Garage Remote
433MHz Cloning Remote Control Key Fob Duplicator – Copy Fixed & Learning Codes in Seconds
Upgrade your access control setup with the HFY408G 433.92MHz Cloning Key Fob Duplicator — a compact, easy-to-use remote that lets you copy fixed and learning code signals from your existing remotes with just a few button presses. Perfect for gates, garage doors, home security systems, motorcycles, and more, this duplicator is built for convenience and reliability. Made in Mainland China.
Key Features
- One-to-One Key Copy: Accurately duplicates your original remote's signal onto this device with ease.
- Supports Fixed & Learning Codes: Compatible with ASK (AM) modulated fixed code and learning code remotes.
- Up to 1,000,000 Uses: Engineered for continuous, repetitive copying — built to last.
- Individual Password Storage: Each copied key password is stored independently for added security and privacy.
- 433.92 MHz RF Frequency: Strong, reliable signal transmission up to 50–100 metres.
- LED Status Indicator: Blue LED confirms successful programming with a clear flash sequence.
- Battery Included: Powered by a DC 12V (27A) battery — included in the box, ready to use out of the package.
Technical Specifications
- Working Voltage: DC 12V (27A battery included)
- Operating Current: ≤ 8mA
- Working Frequency: 433.92 MHz (315 MHz option also available)
- Modulation Mode: ASK (AM)
- Transmission Power: ≤ 100mW
- Emission Distance: 50–100 metres
- Encoding Type: Self Copy
- Wireless Communication: RF
- Channels: 1
Compatible Uses
- Garage doors & electric gate openers
- Motorcycle remote systems
- Home security & alarm products
- Automated curtains & switches
- Short-range industrial wireless control products
How to Program Your Cloning Remote
- Press and hold Buttons 1 and 3 simultaneously for approximately 3 seconds until the LED flashes.
- Place the cloner remote and your original remote side by side, touching.
- Press the desired button on your original remote and the corresponding button on the cloner remote at the same time. Hold both until the blue LED flashes 3 times quickly, pauses, then flashes steadily — this confirms successful cloning.
- Programming is complete! Repeat steps 2–3 to program additional buttons. To reset, simply restart from step 1.
Important Notes Before Purchasing
This remote duplicator copies fixed codes and learning codes only. It is not compatible with rolling code systems (chips beginning with HCS, e.g. HCS200, HCS201, HCS300, HCS301) or two-way/original car remotes. Please verify that your existing remote operates on 433.92 MHz (or 315 MHz if selecting that variant) and uses a compatible encoding type before purchasing.
What's in the Box
- 1 × Remote Control Key Fob (battery included)
- 1 × English User Manual
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What types of codes can the HFY408G 433MHz cloning key fob duplicator copy?
A: The HFY408G duplicator is designed to copy fixed codes and learning codes operating at 433.92 MHz (or 315 MHz). It cannot copy rolling codes (e.g. HCS-series chips), two-way remote signals, or original car key fobs. Always verify your existing remote's frequency and encoding type before purchasing.
Q: How far is the transmission range of this cloning remote control?
A: This 433MHz cloning remote fob has an effective transmission range of 50 to 100 metres, making it suitable for most residential garage doors, gates, and home security systems.
Q: Does the cloning key fob come with a battery?
A: Yes! The HFY408G cloning remote includes a DC 12V (27A) battery in the package, so it is ready to program and use straight out of the box.
Q: Can I program multiple buttons on the cloning remote?
A: Absolutely. You can program multiple buttons individually. Simply repeat the programming steps for each button you wish to clone. Each copied key code is stored independently, providing both flexibility and privacy.
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.