ACCESS CONTROL
GSM Intercoms
GSM intercoms provide wireless, mobile-network access control with remote management and clear audio.
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GSM Intercom | 1-way | ControlFreq
This advanced system offers instant mobile and landline access calls, allowing seamless communication. It features remote door/gate release via phone, enabling convenient access control from anywhere.
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GSM Intercom with keypad | 1-way | ControlFreq
This advanced 4G-VoLTE Audio Keypad Intercom instantly calls mobiles and landlines for seamless communication.
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GSM Intercom with keypad access | 2 door | ControlFreq
Featuring dual call buttons for communication with two separate properties, the 4G-VoLTE Keypad Access Intercom calls up to five phone numbers per button for reliable connectivity.
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GSM Intercom with multiway keypad | 200 way | ControlFreq
This robust 4G-VoLTE Multiway Keypad Intercom | 200 way calls up to 200 properties via keypad dialling, allowing seamless communication.
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GSM Intercom for Car Park Access | ControlFreq
This 4G Car Park Access Intercom ensures clear, reliable communication for user assistance and support. It supports PIN codes, QR codes, Caller-ID, ANPR*, and long-range RFID* for versatile entry management, catering to diverse user needs.
Explore the remarkable diversity of ControlFreq GSM Intercoms
Parking Access
Provide seamless, contactless vehicle entry using 4G VoLTE GSM intercoms. Ideal for car parks and gated sites where security and convenience are essential.
Gate Access
Control gates remotely via mobile phone or cloud platform. No physical keys or fobs needed — just secure, instant access from any authorised number.
Commercial Buildings
Streamline visitor entry and staff access with reliable call-to-open technology. Integrates easily with existing access control systems for a unified solution.
Residential Properties
Enhance convenience and security for homeowners and tenants with dependable remote access and instant visitor verification directly to mobile devices.
Construction Sites
Control site entry for contractors and deliveries from any phone. GSM intercoms simplify temporary access without needing permanent infrastructure.
Industrial Yards & Warehouses
Manage restricted access for vehicles and staff remotely. Perfect for large facilities requiring secure, flexible entry management and remote operation.
GSM Intercoms | Real-time Remote Management & Access Control
ControlFreq’s GSM Intercom range combines reliable 4G VoLTE communication with remote management for complete access control visibility. Monitor live connection status, user activity, call history, and access events across multiple sites — all from one secure, cloud-enabled dashboard. Designed for installers and facilities teams, these systems deliver dependable performance and easy configuration without the need for complex network setup.
Instant access control
Grant or revoke access instantly from anywhere. Update PIN codes, change authorised caller lists, or trigger gate and door relays remotely — all without needing to visit site. Secure, cloud-connected control ensures that only verified users gain entry at the right time.
Real-time visibility
View the live status of every GSM Intercom in your network from one interface. See when calls are made, doors unlocked, or codes used. Receive instant alerts for communication loss, failed call attempts, or unauthorised activity, helping maintain uptime and security across all locations.
Why choose ControlFreq GSM Intercoms?
Wireless communications
GSM intercoms enable wireless connectivity without the need for cabling or WiFi infrastructure.
Digital VoLTE audio
High-quality voice over LTE ensures clear and reliable audio for every call.
Remote cloud management
Manage and configure devices from anywhere with a secure cloud-based platform.
Secure in-built access control
Control access securely with built-in relay control, PINs, caller ID and time-based rules.
Free delivery for all installers
Enjoy free delivery on all GSM intercoms for verified installers across the UK.
7 day phone support
Access reliable customer support 7 days a week for setup, maintenance and troubleshooting.
Speak to an expert
Get expert advice on choosing the right GSM intercom for your site. Our team can help with installation, setup, and remote management to ensure seamless, secure access control.
Alternatively you can call us on 02034780784
Frequently asked questions
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A GSM intercom uses mobile networks (SIM cards) to enable wireless communication between visitors and property owners, without needing WiFi or landlines.
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Every GSM Intercom purchased as part of this promotion comes with a free VoLTE voice SIM card, ready for activation. The SIM is supplied at no cost, but a monthly service plan is required to enable ongoing use. After your purchase, a member of our team will contact you to discuss available SIM plans and whether you would like to activate the SIM immediately or at a later date. This offer is limited to one SIM per customer and is subject to ControlFreq’s promotion terms, available at https://controlfreq.co.uk/terms-of-sale
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No, they operate over the mobile network, removing the need for broadband or hardwired connections.
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Yes, many GSM intercoms allow remote access via app or web dashboard to open gates or doors from anywhere.
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Not at all. GSM intercoms are quick to install and ideal for locations where cabling is difficult or costly.
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A strong signal is recommended for optimal performance. In low-signal areas, an external antenna can often resolve issues.
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Yes. They include features like PIN entry, call filtering, and encrypted access controls to ensure secure entry management.
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Most GSM intercoms are compatible with standard electric locks, gates, and door controllers.