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Description
The SPEAKER-4G Remote Audio Loudspeaker provides secure, two-way voice communication for live audio challenge, public announcements, and emergency alerts.
Designed as a rapid retrofit upgrade for existing systems, it connects via the 4G mobile network to deliver clear, immediate voice messages without the need for fixed lines or complex infrastructure.
Built with a durable, weather-resistant housing, the SPEAKER-4G is suitable for both indoor and outdoor use, making it ideal for car parks, remote sites, or industrial environments where reliable communication is critical.
Features
4G GSM Connectivity: Stable and reliable operation with VoLTE support and 3G/2G fallback.
Instant Audio Challenge: Broadcast live voice messages to deter intruders or issue safety instructions.
Remote Activation: Trigger announcements via phone call, SMS, or predefined digital input.
Multi-User Access: Allow multiple authorised users to broadcast remotely using registered phone numbers.
IoT SIM Compatibility: Works seamlessly with multi-network ControlFreq IoT SIMs for continuous uptime.
Durable Construction: Weather-resistant housing for demanding environments.
Easy Integration: Simple retrofit for existing alarm or communication systems.
Technical specifications
Model: SPEAKER-4G
Network: 4G GSM with fallback to 3G/2G
Audio Output: Built-in loudspeaker for live or pre-recorded announcements
SIM Card: Compatible with ControlFreq multi-network IoT SIMs
User Access: Supports multiple authorised users for remote broadcast
Control Input: Remote activation via SMS, phone call, or digital trigger
Power Supply: 12V DC (external adapter required)
Connectivity: Mobile interface via GSM/4G LTE
Audio Transmission: High-clarity digital voice output
Inputs: Configurable trigger inputs for broadcast activation
Outputs: Integrated loudspeaker
Enclosure: Weather-resistant casing (indoor/outdoor rated)
Mounting: Wall-mounted or standalone
Operating Temperature: Suitable for varied environmental conditions
Cloud software
The SPEAKER-4G integrates with WebAlarm™ , ControlFreq’s cloud-based monitoring and communication platform.
Through WebAlarm™, administrators can remotely manage devices, view activity logs, and issue instant audio challenges from anywhere.
Cloud features include:
- Remote broadcast activation via web or app
- User access management and activity monitoring
- SMS and email alerts for triggered events
- Multi-site control through a single dashboard
- Secure connectivity with IoT SIM integration
Applications
Security and perimeter monitoring
Emergency public address and safety alerts
Car park and access control systems
Industrial or construction site communication
Remote area management and monitoring
Integration with CCTV or alarm systems for audio challenge
