The Signify LiFi Technology Explained with Demo!

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Earlier this month, Ed Huibers, Head of Business Development for Signify LiFi Systems flew into town to brief us on their LiFi technology. Let’s take a look at his LiFi tech briefing and demo, as well as a close-up look at the Signify LiFi kit.

The Signify LiFi Technology Explained with Demo!


Who Is Signify?

Signify is the new name of Philips Lighting. The name change, announced in March 2018, represents their transformation from an analogue lighting company into a digital lighting and IoT company.


What Is LiFi?

LiFi is short for Light Fidelity. It is a wireless technology that works like WiFi but uses light waves instead of radio waves. It is therefore a line-of-sight technology, unlike WiFi.

On the other hand, LiFi can be used in places where radio interference is undesirable (e.g. in hospitals), or where WiFi signals is weak (e.g. underground). Its line-of-sight limitation is actually an advantage in high-security applications – it prevents interception of the data from outside the room.


The Signify LiFi Technology Explained

Signify is the first global lighting company to offer LiFi-enabled lights from their existing office lighting solutions. In this video, Ed Huibers briefs us on what LiFi technology is all about, as well as its pros and cons.

The Signify LiFi technology modulates the light from the LED luminaire at a very high frequency to transmit data. The light is detected by a LiFi USB dongle plugged not a laptop or tablet. The LiFi dongle transmits data back using an infra-red transmitter.

The Signify LiFi technology currently supports up to 50 users per luminaire, with transfer rates of 30 MB/s, over a range of about 3.5 meters or 10 feet.


The Signify LiFi Kit Up Close!

Here is a close-up look at the Signify LiFi kit, which converts their existing office luminaires into LiFi hotspots.

Signify LiFi Luminaire Signify LiFi dongle


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