Product Info

  • Item:AT-4 (Compatible with ALUTECH/AN-Motors)
  • Frenquency:433.92MHz
  • Code Type:Rolling Code (HCS301)
  • Channels:4
  • Transmission Power:≤10mW
  • Operating Distance:≥50m (open area)
  • Battery:12V 27A (included)
  • Material:ABS + Chrome-plated Metal
  • Working Temperature:-20℃ ~ +55℃
  • Product Weight:38G

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DOORHAN TRANSMITTER-4-Black Original 4-Channel Garage Door Remote Control 433.92MHz Rolling Code Security Transmitter for DoorHan Gate Opener

Product Description

DOORHAN TRANSMITTER-4-Black is an original 4-channel remote control designed for DoorHan automatic gates, garage doors, barriers and roller shutters. It uses 433.92MHz rolling code technology with 16 million unique combinations to prevent signal interception and unauthorized cloning, ensuring high security.

  • 4 independent channels: control up to 4 devices with one remote

  • Black ergonomic casing with sliding protective cover

  • Tactile button markings for easy operation

  • Wall mount holder & keychain hole included

  • Long battery life: 12V 27A battery (pre-installed), lasts up to 3 years

Key Features

  • Genuine DOORHAN quality: fully compatible with all DoorHan 433.92MHz rolling code receivers

  • Secure rolling code: dynamic encryption, cannot be cloned

  • Working range: 50–150m in open space

  • Operating temperature: -20°C to +55°C

  • Compact & durable: ABS material, dust and splash resistant

  • Easy self-programming: simple pairing with DoorHan receivers

Specifications

  • Model: TRANSMITTER-4-Black (Part No. 20553)

  • Frequency: 433.92MHz

  • Channels: 4

  • Code type: Rolling code (dynamic code)

  • Battery: 12V 27A (included)

  • Range: 50–150m

  • Color: Black

  • Dimensions: approx. 54×29×14mm

  • Weight: ~28g

Compatibility

  • DoorHan gate motors

  • DoorHan garage door openers

  • DoorHan receivers: Receiver 433, DHRE-1, DHRE-2

  • Replaces: Transmitter 2, Transmitter 4 Pro, Premium RC 4

Package Includes

1 × DOORHAN TRANSMITTER-4-Black remote1 × Wall mount holder1 × 12V 27A battery (pre-installed)1 × User manual

Programming Instructions

  1. Press the R button on the DoorHan receiver

  2. Indicator shows “0” and turns off

  3. Press any button on the remote twice

  4. Programming complete

  • ✅ Original DOORHAN Quality: Genuine TRANSMITTER-4-Black, fully compatible with all DoorHan 433.92MHz rolling code gate and garage door systems.

  • ✅ High-Security Rolling Code: 16 million dynamic combinations, prevents signal cloning and unauthorized access.

  • ✅ 4 Independent Channels: Control up to 4 separate devices (gates, garage doors, barriers) with one compact remote.

  • ✅ Long Range & Durable: 50–150m working range, operates in -20°C to +55°C, sturdy ABS casing with sliding cover.

  • ✅ Ready to Use: Pre-installed 12V 27A battery, wall mount holder and keychain hole for easy carry and storage.