Short Range Devices (SRD)

Short range devices (SRD) are low-power radio-frequency transmitter devices used in telecommunication for effective transmission of information. TWIG SRD including beacons, tags, buttons, and sensors, seamlessly integrate with TWIG personal alarm systems to enhance safety and security.

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TWIG SRD3 option

TWIG Short Range Devices (SRD) are compatible with TWIG lone worker alarms, including the SRD3 option.

TWIG SRD Beacons: Accurate Location Tracking

TWIG SRD Beacons

Developed to locate lone workers in areas where GPS is unreliable, TWIG SRD beacons provide unmatched accuracy.

TWIG SRD beacons are ready to use immediately, designed to last for years with powerful batteries and easy setup via over-the-air updates.

Their robust, waterproof housing can withstand harsh conditions, and ATEX-approved beacons offer extra safety in hazardous areas.

Download TWIG Beacon Datasheet Download TWIG Beacon Ex Datasheet

TWIG Remote Button: Maximum Discretion

TWIG SRD Remote Button

The TWIG Remote Button is small, lightweight, and designed for comfortable, everyday wear on your neck, wrist, or in your pocket.

Its IP67 waterproof design ensures reliable performance in any environment.

Paired with a TWIG lone worker alarm device, it sends immediate alerts to the alarm receiving center (ARC) over the mobile network.

Download TWIG Remote Button Datasheet

Maximum Discretion with the TWIG Remote Button

TWIG SRD Door Sensor

The TWIG Door Sensor is the ultimate SRD for boosting safety, ideal for security guards and maintenance workers.

Easy to install with a magnet on the door and a sensor on the frame, it offers seamless real-time tracking of movements through doorways.

Perfect for industrial sites, offices, retail stores, and commercial locations, it ensures effective monitoring of lone workers.

Download TWIG Door Sensor Datasheet

Short Range Devices are used in Various Lone Working Areas

Retail Services

Security

Cleaning

Logistics

Benefits of TWIG SRD

Indoor Location

Easily locate persons in distress indoors with custom on-site SRD beacons connected to compatible lone worker alarm devices.

Attendance Registration

Tags and door sensors can be quickly added to door openings for registering persons carrying an SRD-compatible personal alarm device.

Discreet to Carry

Smaller than any personal alarm device, a wearable SRD button is light, discreet, and helpful for remotely controlling a paired, nearby personal alarm device.

Indoor, outdoor and ATEX areas

TWIG SRD beacons are suitable for indoor and outdoor use, as well as in explosive hazardous areas.

Modular System

TWIG personal alarm devices can operate with several TWIG short-range devices (SRD) simultaneously.

Suits for Various Needs

TWIG short-range devices communicate over a two-way 869 MHz ISM-band RF link with SRD-compatible TWIG personal alarm devices.

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TWIG SRD beacons enhance the accuracy and reliability of indoor location tracking, ensuring the safety of lone workers in challenging environments.