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Access Control
for leading Security Systems

Whether you have one or multiple buildings to protect - regardless of the number of users, iMotion Security provides flexible access solutions tailored to every customer’s different requirements: multi-site, multi-company, multi-station... Access control means checking that a person has the necessary clearance to enter an area, building or room. It helps organize human traffic inside a site and selectively manage access to different zones. In this way, sensitive areas can be restricted to identified users subject to predefined times, with all movements recorded in a log.

An array of access control readers

Managing Access with Identification

Identification means checking that a person has clearance for an area or a building. When the person shows their ID to a reader placed near the door, the system will open, or not, the door. Identification, depending on the technology used, is represented by a card or a badge containing recorded information. It can be a key ring, remote control, biometric data or a vehicle registration number... A very common solution for access control is badges. To enter a building, the person must show a valid badge to a reader. The badge is the system’s “key” and the reader captures the information recorded on the badge.

The different Technologies

iMotion uses all identification technologies from the simplest to the most advanced whatever the type of identification. The choice of technology for an access system depends on several criteria. Security is the most important element but ease and comfort of use are increasingly crucial.

Contact Technologies - Magnetic and Chip Card

Magnetic card: contact reading of the badge (insertion or swiping). The number relating to the card holder is contained in the badge’s magnetic stripe (ISO stripe). This technology is mainly used for applications with a low level of security. Wear and tear of the contact reader is also to be taken in to account.

Chip card: the information is stored in a memory inserted in a plastic card. Example: bank card.

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Contact-Free Technologies - RFID

RFID stands for Radio Frequency Identification. It reads information at a distance, which is stored in an RFID chip. These electronic chips contain identification and can contain other data. They are integrated in a card (badge) or object (key ring, remote control, etc.). Distance reading avoids problems associated with wear and tear of contact readers.

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an array of proximity and keypad access control pad locks

What is RFID?

How it Works

The reader sends a signal on a set frequency to a radio tag located in the read field. When the tag, also known as a marker or transponder, is “awoken” by the reader, it sends a signal back and a dialogue is established according to a predefined communication protocol. Certain tags include further memory that can write data. To communicate, the tag and the reader must be on the same frequency but, similarly to a radio, these frequencies cover a spectrum ranging from low to very high frequencies. Contrary to barcodes, RFID tags do not need to be visible to the reader to be identified and there is no need for reader contact either. The distance between tag and reader can stretch from a few centimetres to a few dozen metres.

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Low Frequency - 125 kHz

The badge’s serial number is recorded in the electronic chip in the badge. The antenna (or reader) determines the reading distance between it and the badge. From 30cm, it is called hands-free technology. In the access control and identification industry, 125 kHz technology revolutionized the market by offering unrivalled value for money. Robust, without wear and tear and easy to set up, this technology has been a worldwide success and today represents the benchmark.

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High Frequency - 13.6 MHz

This was the first RFID technology to have international standards (ISO 14443-A/B and ISO 15693). It is the ideal choice when speed, security and memory capacity are required. The chip’s memory can store different information (photographs, text, etc.) for access control or other applications, for example electronic money. For access control, high frequency increases security as an encrypted number can be entered into the badge’s memory using an encoder. Biometrics are useful in this case; the fingerprint is stored in the badge.

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Ultra High Frequency - 433 MHz to 2.45 GHz

With this frequency, the badge can be read at a distance of several metres, for example at a toll gate. The serial number in the badge’s chip is still being read, but the badge has a battery that is only activated when it is in the reader’s field, thus increasing the reading distance. It is called an active badge.

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