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Our Product Range Consists of:
Flange & Foot Mount Motors Automatic Swing & Sliding Doors High Speed Motors Fire Door Motors Sectional Door Motors Direct Drive Motors Tube Motors Powered Blinds and Awnings Barrel Assembly Sliding Door Gear Safety Equipment Intercom Systems/Access Controls Gate & Barrier Automation Training Courses Garage Door Operators

Access Control Explained

access control explained - GSM

Unsure of what access control you require? This simple Access Control Explained blog should shed some light!

The correct access control is an important part of all door and gate systems.  Ellard stock, supply and support market leading products to help achieve the right solution.

Should you have a requirement for a system we do not stock, contact our sales team and we will find the solution for your door or gate system.

Access Control Explained

Different technologies are used within access control products, the main ones supplied by Ellard being:


Access Control explained -Wired

A physical multi-core cable from the gate or door to a device to enable 2-way communication.  This can be audio or video and audio.


Access Control explained - wireless

If the gate or door is within range of the device to receive a call, no physical wiring is necessary.  Available both as audio and video, this solution can save time during installation.


access control explained - GSM

Utilising the GSM network via a prepaid,contract o PAYG SIM card it is possible to communicate both voice and video to anywhere in the world.  A popular option particularly for those needing access control away from their home/business.


access control explained - wifi

Either a radio link or physical multi-core cable from the gate or door station to the property’s broadband/fibre router.  WiFI intercom systems offer low cost, world wide communication.

The following factors should be considered when deciding on which technology is best suited for an installation.



Cable type and CSA of cores

Routing/duct work for cables


Distance of property to the entrance/gate/door is within manufacturers specifications

Terrain: trees, hills and weather can effect performance/range


2G/3G/4G signal strength at antenna location – within recommendation?

Prepaid system or customer supplied SIM or PAYG

GSM reception at customer’s device e.g smart phones


For further information on our gate automation and intercom systems