SOS Active / Worker Safety System

SOS Alert
Wearables Kit

A comprehensive wireless personal safety solution engineered to enhance emergency response capabilities for workers operating in high-risk, remote, or isolated environments.

Sub-GHz / LoRaUp to 200m LOS<1 Second90–110 dBIP54 Rated

Request Demo Integration Guide

Nex-G SOS Worker Safety System

Sub-GHz

Wireless Technology

200m

Line-of-Sight Range

<1 sec

Alert Latency

3–5 Days

Wearable Battery Life

90–110 dB

Siren Output

Product Overview

Instant emergency
safety for workers.

The SOS Alert Wearables Kit by Nex-G Automation LLP provides a wireless emergency alert system for workers in high-risk, remote, or isolated environments. A one-touch SOS activation sends an emergency alert through long-range, low-power RF communication, while repeaters can extend coverage and trigger local sirens.

One-touch SOS activationSub-GHz / LoRa communicationUp to 200m line-of-sightLess than 1 second alert latencyRepeater-based coverage extensionLocal and remote alerting

SOS Alert Wearables Kit industrial safety system

Wireless Personal Safety Architecture

From one-touch SOS
to emergency response.

The wearable initiates an emergency alert through long-range, low-power wireless communication. Repeater and gateway infrastructure can extend coverage, activate local sirens, and forward event data to remote monitoring systems.

01 SOS Wearable

02 One-Touch Activation

03 Sub-GHz / LoRa RF

04 Local Siren

05 Repeater / Gateway

06 Remote Monitoring

System Integration

Emergency alerts
across the site.

The supplied system supports local alerting, repeater-based coverage extension and remote communication through MQTT, HTTPS and REST API options. Wearer ID, timestamp and zone location can be logged for supported deployments.

01	SOS Activation	Single button press initiates an emergency alert from the wearable.
02	Wireless Communication	Proprietary Sub-GHz / LoRa communication provides long-range, low-power wireless operation.
03	Repeater Coverage	Repeaters can extend signal range and trigger local sirens.
04	Local Alerting	Powerful 90–110 dB site sirens provide immediate local awareness.
05	Remote Communication	MQTT, HTTPS and REST API options support remote monitoring and custom integration.
06	Data Logging	Supported data logging includes wearer ID, timestamp and zone location.

System Flow

How an SOS event becomes a response.

A typical system flow moves an emergency event from the wearable through the wireless network and alert infrastructure toward local and remote response systems.

Worker Wearable

Worker presses the dedicated SOS button.

→

Wireless RF

Sub-GHz / LoRa carries the alert through the site.

→

Repeater / Gateway

Coverage can be extended and local sirens triggered.

→

Response

Local and remote systems receive the emergency event.

Alert Modes

Multiple layers of emergency notification.

One-Touch SOSDedicated wearable button for immediate emergency activation.

Local Siren90–110 dB audible output for immediate site awareness.

Remote AlertEvent information can be forwarded to dashboards, apps or dispatch units.

Coverage ExtensionRepeaters can extend wireless range and support local alert triggering.

Why Choose Nex-G

Key capabilities

Designed around the supplied SOS Alert Wearables Kit specifications and deployment capabilities.

Purpose-built for mission-critical safety

Engineered for high-reliability environments where workers may operate in dangerous, remote or isolated conditions.

Smart mesh architecture

Repeater-based architecture supports wireless coverage extension across extensive properties.

Instant local & remote alerting

Emergency events can trigger local sirens and be forwarded to remote monitoring systems with specified alert latency below one second.

Hassle-free deployment

The supplied description specifies a plug-and-play setup with pre-configured systems for rapid deployment.

Long-range wireless communication

Proprietary Sub-GHz / LoRa communication provides up to 200m line-of-sight operation, extendable through repeaters.

System Advantages

Built around reliable emergency communication.

Fast Alert Delivery

Specified alert latency is less than one second.

Long-Range RF

Up to 200m line-of-sight communication with repeater extension.

Loud Local Warning

90–110 dB siren output provides immediate audible awareness.

Extended Wearable Life

Typical wearable battery life is specified at 3–5 days.

Coverage Extension

Repeaters can extend wireless coverage across larger properties.

Rugged Enclosure

Anodized aluminum construction with IP54 rating.

API Integration

MQTT, HTTPS and REST API options support connected systems.

Worker Identification

Supported data logging includes wearer ID, timestamp and zone location.

Engineering Data

Technical Specifications

Configuration may vary by deployment.

Wireless Technology	Proprietary Sub-GHz / LoRa	Custom options available
Operating Range	Up to 200m line-of-sight	Extendable via repeaters
Alert Latency	< 1 second	Specified emergency alert response latency
Wearable Battery Life	3–5 days typical usage	Rechargeable wearable operation
Charging Method	USB-C or magnetic charging	Wearable charging options
Siren Volume	90–110 dB	High-output local audible warning
Power Supply	12V DC or USB	Repeater / Gateway power configuration
Enclosure Material	Anodized Aluminum, IP54-rated	Rugged wearable enclosure
Cloud Communication	MQTT, HTTPS, REST API	Remote and custom system integration
Data Logging	Wearer ID, timestamp, zone location	Event and worker-related data
Operating Temperature	−10°C to +60°C	Specified operating temperature range

Deployment

Designed for high-risk
and isolated work areas.

Deploy the SOS wearable with workers and use repeaters or gateway infrastructure where coverage extension is required. Local sirens and remote communication options support the emergency response workflow.

WorkerCarry the SOS wearable for one-touch emergency activation.

Wireless NetworkUse Sub-GHz / LoRa communication for long-range, low-power coverage.

RepeaterExtend wireless coverage and trigger local sirens where required.

MonitoringForward event information to dashboards, apps or dispatch systems through supported interfaces.

Deployment Areas

Typical Use Cases

01Manufacturing & Assembly Plants

02Oil, Gas & Mining Sites

03Construction Projects

04Security & Facility Management

05Hospitals, Labs & Elder Care

06Large Industrial Campuses

Integration

Compatible with
your existing stack.

Centralized Web DashboardBrowser-based real-time monitoring for devices and alerts.

Mobile & Cloud SupportiOS and Android support for supervisors and response teams.

API-Ready IntegrationREST API over HTTPS, MQTT and TCP for custom enterprise integration.

SCADA / ERP / Fleet SystemsConnect supported interfaces to SCADA, ERP, fleet management or custom systems.

Scalable ArchitectureModular node distribution can grow with the site and deployment requirements.

Event DataSupported logging includes wearer ID, timestamp and zone location.

Frequently Asked Questions