Overview of the SENTRY 4 Button Transmitter

The SENTRY 4 Button Transmitter 403/433MHz Dual Learning is a versatile remote designed to control multiple devices from a single unit. With four programmable buttons, users can operate gates, garage doors, alarms, or electric locks easily. Its dual-frequency design ensures compatibility with 403MHz and 433MHz systems, making it suitable for a wide range of residential, commercial, and industrial applications.

Dual Learning Technology

The transmitter features dual learning capability, allowing users to pair it with multiple receivers on either frequency. This ensures quick and flexible integration with existing security systems. Users can easily add or duplicate transmitter functions, enhancing convenience and usability.

Secure Rolling Code Operation

The SENTRY transmitter uses rolling code technology to generate a new encrypted signal each time a button is pressed. This prevents unauthorized copying or cloning, providing a high level of security for all paired devices.

403/433MHz High-Performance Frequency

Operating on both 403MHz and 433MHz, the transmitter delivers strong, stable communication with compatible receivers. Its dual-frequency capability reduces interference and ensures reliable activation over standard distances.

Durable and User-Friendly Design

The transmitter features a sturdy casing that resists drops, moisture, and everyday wear. Its compact design fits comfortably in a pocket or on a keyring. The clearly labeled buttons make operation intuitive and prevent accidental activation.

Four Programmable Buttons for Multi-Device Control

With four fully programmable buttons, users can independently control multiple devices. For example, one button may open a main gate, another activates a garage door, and others trigger alarms or locks. This flexibility makes it ideal for properties with complex security needs.

Easy Pairing With Compatible Receivers

Users can pair the transmitter quickly with SENTRY dual learning receivers. The setup process is simple, ensuring smooth integration and reliable operation across all compatible systems.

Ideal for Residential, Commercial, and Industrial Use

Thanks to its dual-frequency support, secure rolling code technology, and multi-device functionality, the SENTRY 4 Button Transmitter suits homes, offices, warehouses, and industrial sites. It delivers a convenient, reliable, and secure remote-control solution for everyday access control.