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FDMA vs. TDMA Digital Two Way Radio Technology. Download Icom’s Whitepaper

FDMA vs. TDMA Digital Two Way Radio Technology. Download Icom’s Whitepaper

In digital two-way radio systems, there are two main “channel access” methods used today. One is FDMA (Frequency Divided Multiple Access). This method is the oldest and most established method in the industry. The other method is TDMA (Time Divided Multiple Access).

The basic difference between FDMA and TDMA is the definition of a channel and how it is used. In FDMA a particular bandwidth (E.g. 6.25 kHz) at a particular frequency (E.g. 150.000 MHz) is used to define a channel.

In TDMA, the same principle applies regarding bandwidth and frequency, but the signal is divided into time slots that allow the channel to have ‘extra’ capacity in the same bandwidth E.g. Two 6.25 kHz ‘equivalent’ channels in a 12.5 kHz channel. FDMA is incorporated and is used by Icom in their two way business radio line up and has many benefits which you can read by downloading the white paper on the side of this page.

To find out more about our FDMA range of digital business radios visit our dedicated digital two way radio section on our website. Alternatively contact our sales team by phoning 01227 741741 or by using the email address below.

Icom UK Sales - sales@icomuk.co.uk

13/09/2017
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