Clear code: Press the two top buttons simultaneously. Indicator flashes once, then rapidly for ~2 s, confirming a successful clear. If the light flashes slowly then quickly, release and try again until the light stays on, indicating a successful copy.
eBay
1-20 Garage Door Remote Control Duplicator 300-980MHZ Multi-Frequency Code Grabber Clone Gate Key Fob Command Hand Transmitter
Aliexpress UK
The 2X Henderson For Sommer 4020 4031 Gate Garage Door Remote Control Fob TX03-868-4 is a battery-powered remote control with a built-in battery, making it convenient for use. It has an operating range of 100m and includes a keychain for easy carrying. The remote is made of ABS and metal materials, with a sleek black colour. With four buttons and a frequency of 868 MHz, this universal remote is suitable for a range of garage door openers and offers a smart home protocol for added convenience. Made in China, this remote control comes in a unit quantity of 2X.
eBay
433MHz Light/Garage Door Wireless Remote Control Switch,500 metres Transmitter,DC 6V 12V 24V 2CH RF Receiver,for Lamp/Motor/DIY
Aliexpress UK
No more hunting for separate remotes! Working Frequency : 433MHz (stable and widely supported in the UK). Tired of struggling to replace a lost garage door or car remote?. This remote’s 4CH copy technology lets you easily duplicate your existing remote – no expensive locksmith fees needed!
eBay
40.685 MHz HSM4 HSM2 HSE4 HSE2 HS4 HS2 Garage Door Remote Control Duplicator 40MHz Gray Button Clone Gate Command Opener
Aliexpress UK
【433mhz remote cloner】 This is a fixed frequency remote cloner (433mhz) for copying 99.99% common fixed and learning code. With this remote cloner you can clone all 433MHz fixed code key fobs. 【4 keys】 With 4 programmable function keys.
eBay
AK-KBK11 433MHz Wireless Clone Garage Gate Door Opener Remote Control Duplicator
Aliexpress UK
This 433 Mhz copier is a good fit for electric door, roller door, garage door and so on.
eBay
Glow in the dark premium silicone universal remote control cover with lanyard suitable for TCL Hisense Roku TV remote control
Aliexpress UK
This is not a complete list! If your remote uses the 433MHZ frequency it will work with the remote duplicator (note: rolling code remotes will not work). Copying: place the product correctly before copying.
eBay
Replacement Voice Remote Control for Samsung Smart TV Universal BN59 Remote for All Samsung TVs with Voice Function QLED LED LCD
Aliexpress UK
Transmission frequency: 433MHZ. The latest IC programming code to prevent accidental removal. If the indicator light is flashing, the release process of short pressing any button is wrong. Make sure they are touching.
eBay
RM-D1078+ Universal Smart Remote Control Controller For Samsung AA59 BN59 Series 3D Smart TV LCD LED TV common Remote Controller
Aliexpress UK
📡Wide Frequency Range – Supports 300–915MHz multi-frequency devices. Receiving frequency: 300~915MHZ. The Led will blink rapidly, indicating that the channel is locked. Choose the channel by "+" "-" buttons, put the original remote and the 8-in-1 remote together.
eBay
CHUNGHOP RM991 Smart Universal Remote Control Multifunctional Learning Remote Control for TV/TXT,DVD CD,VCR,SAT/CABLE and A/C
Aliexpress UK