SPEAKER-4G | Remote Audio Loudspeaker

The SPEAKER-4G 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. Authorised users can dial in or trigger broadcasts remotely, enabling efficient management of security, safety, and operational communication from anywhere.

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, real-time communication is critical.

• 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.

• 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

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.

Cloud Features:

• 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

• 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

SPEAKER-4G Datasheet (PDF)