# Protecting Wildlife, Safeguarding Communities, Empowering Rangers

EEWS-SOS-V1 - Elephant Early Warning System (EEWS) SOS

The GSM-based SOS unit is an emergency alert system designed as part of the Early Elephant Warning System (EEWS) to ensure rapid communication and warning dissemination among forest rangers and villages during elephant movement or human-elephant conflict situations.
This system relies on human observation and manual triggering by forest rangers when elephants are sighted near villages, forest boundaries, roads, or agricultural areas.


Once a ranger initiates an SOS call to the system’s dedicated mobile number, the system automatically:-
  • Activates a hooter (siren) for audible warning to public
  • Turns ON a high-intensity warning light
  • Sends SMS alerts to pre-registered ranger mobile numbers
  • Alert reported to centralized dashboard for remote monitoring and preventive actions
  • Data logs for incidences for human-elephant conflict/ elephant moments for proactive planning.

The system operates on a GSM communication network, making it suitable for remote forest locations with basic mobile connectivity and system run on solar power with battery backup no need grid power.

EEWS-SOS-V1 - Elephant Early Warning System (EEWS) SOS

System Objectives

  • Provide immediate local warning through sound and light
  • Enable fast information sharing among ranger teams
  • Reduce response time during elephant movement events
  • Improve ranger safety and coordination
  • Support human-elephant conflict mitigation without complex infrastructure
  • Centralized remote monitoring and dashboard for forest team.

System Working Principle

A forest ranger observes elephant movement or a potential conflict situation. The ranger places a call to the SOS system’s dedicated GSM number. The system detects the incoming call from an authorized number.

Upon validation:
  • The hooter is activated
  • The warning light is switched ON
Simultaneously, the system sends SMS alerts to pre-configured ranger mobile numbers.
The alerted rangers receive real-time information and initiate field response actions.
Note: The call does not need to be answered. The system works on ring detection, ensuring faster activation.
EEWS-SOS-V1 - Elephant Early Warning System (EEWS) SOS

Key Features, Advantages of the System , and Application Areas Features

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Key Features

  • Sensor-less manual SOS system
  • GSM-based communication
  • One-call activation mechanism
  • Centralized remote monitoring and dashboard for forest team.
  • Audible and visual warning output
  • Multiple ranger SMS notifications
  • Low power consumption
  • Simple installation and maintenance
  • Suitable for remote forest areas
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Advantages of the System

  • Reliable in dense forest environments
  • No false alarms from sensors
  • Works with basic GSM coverage
  • Easy for rangers to operate
  • Cost-effective EEWS solution
  • Enhances ranger safety and public awareness
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Application Areas

  • Forest boundaries near villages
  • Wildlife corridors
  • Ranger camps and check posts
  • Agricultural buffer zones
  • Elephant movement hotspots

EEWS Dashboard: Centralized Monitoring & Response

Dashboard Features, Applications & Key Advantages

1.Elephant Early Warning System (EEWS) Dashboard will show real time Alerts
2. EEWS Dashboard have option where operator can send alert to hardware for different animals by selecting Site ID.
3. Manage Device : user can add new system here
4. User Management : This will be handled by admin of site where he will add new user and new user can add hardware system ID
5. Data Management:
User can download all data of alert , device id , siren activation via excel , CSV and PDF format