4-Band RF Cloner Technical Guide: How Self-Learning Works
Understanding 4-band RF cloner technology for garage doors, gates, barriers. See GEMU 4-Band Universal Self-Learning ($13.50) for global multi-brand coverage.
How Self-Learning Works
- Original remote transmits signal with code + button ID
- Cloner receives signal and stores in EEPROM
- On button press, cloner transmits stored signal
- Receiver at opener recognizes code + button ID
- Opener activates function
Frequency Bands
| Frequency | Region | Wavelength | Range |
|---|---|---|---|
| 280 MHz | China/Asia | 1.07 m | 50-100m |
| 315 MHz | US/Canada | 0.95 m | 80-150m |
| 433 MHz | EU/RU/AU | 0.69 m | 50-100m |
| 868 MHz | EU new | 0.35 m | 30-80m |
Why 4-Band is Best for Global Distributors
- Single SKU for 4 regions
- MOQ 100 units
- 75% margin vs OEM
- Self-learning from any original
Order from GEMU
GEMU 4-Band Universal ($13.50). See also IP54 Outdoor version ($14.50).
Contact for Wholesale Pricing
For wholesale pricing, samples, and bulk orders for the US garage door remote market, contact Joanna directly:
- WhatsApp / Telegram: +86 189 6031 3731
- Email: Joanna@rfmando.com
- Website: https://www.rfmando.com/
MOQ: 100 units per SKU. Sample: 3-5 days (DHL/FedEx). Bulk lead time: 25 days. Payment: T/T 30% deposit + 70% before shipment.
Important: All listed prices are EXW Xiamen (China) and DO NOT include shipping cost. Contact Joanna for an accurate shipping quote to the US.