• Modernising Critical Infrastructure

    IoT-enabled alarm signalling, critical communications and access control solutions designed for secure, resilient, mission-critical environments.

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  • Future-proof your Lift Phones with a 4G-IoT Landline Alternative

    Future-proof your Lift Phones with a 4G-IoT Landline Alternative

    ControlFreq provides universally-compatible digital audio communication and monitoring solutions for upgrading lift phone systems from analogue PSTN lines to a fully-compliant digital 4G-VoLTE alternative.

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Diagram of a smart home control panel with three main alerts: a fire alarm with a red exclamation mark, access granted with a green checkmark, and lift phone with a red exclamation mark. The panel includes small red and green indicator dots.

We understand the challenges of upgrading outdated technology. Our IoT communications upgrade empowers existing systems for uninterrupted, zero-downtime operations. Gain global visibility, remote control, and real-time status of your remote assets and critical systems—anytime, anywhere.

Reliable communication, monitoring & control for mission-critical applications

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ControlFreq Solutions

  • Remote Monitoring

    Real-time monitoring for fire, intruder, power, water and critical equipment.

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  • Critical Communications

    Resilient voice communications for emergency, safety and critical infrastructure.

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  • Access Control

    Cloud-managed access control for secure sites, car parks and gated entry points.

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  • Multi-Network IoT SIM Cards

    Resilient IoT connectivity across multiple UK and global mobile networks.

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ControlFreq has been instrumental in helping us unlock the revenue potential of parking spaces large and small across the UK. It's been a pleasure to work with them for so many years.
JustPark logo
Anthony Eskinazi
Founder & CEO, JustPark

Latest news and insights

  • JustPark transforms pre-book with smarter access

    JustPark transforms pre-book with smarter access

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  • PSTN Landline replacement solutions

    PSTN Landline replacement solutions

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  • BT Redcare closure postponed: New deadline announced

    BT Redcare closure postponed: New deadline announced

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Let’s discuss your technology challenge

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