ETSI expects to lead the field in the M2M market as it publishes the first spec for Ultra Low Energy DECT

Sophia Antipolis, France – ETSI (European Telecommunications Standards Institute) has published the first Technical Specification (TS 102 939-1) on DECT ULE (Ultra Low Energy), a low power consumption radio technology intended for home automation and other Machine-to-Machine (M2M) applications.

DECT ULE is based on the very popular and highly successful Digital Enhanced Cordless Telecommunications (DECT™) standard, which was developed by ETSI. The main characteristics of DECT ULE are ultra low power consumption, good quality of service (a unique feature of ULE compared with other low power wireless standards) and wider coverage than competing technologies.

ULE positions DECT in new and rapidly growing market segments of M2M communications, including energy and utilities (for home automation and smart metering), assisted living and telecare (for example when used with monitoring devices) and safety and security (such as voice entry phones and smoke sensors). The DECT ULE specification is a multi-part specification; the first phase of development has focused on the Home Automation Network (HAN) but ongoing work will extend its application to industrial automation too.

New ULE devices will be fully compatible with existing DECT systems, which are already available in many homes, and will use the existing DECT spectrum. In addition, a single device can combine ULE and DECT/DECT New Generation functionalities. So, by upgrading the base station, existing devices can still be used and other devices added to provide new services and applications to the customer, all controlled from the DECT base station.

DECT ULE harnesses all the advantages of traditional DECT. These include the key factor of instantaneous dynamic channel selection combined with seamless handover. The quality of a link is permanently monitored and, if necessary, the transmission is switched to a better channel without interrupting the media stream. DECT devices have always been very power efficient but, with the arrival of ULE, the stand-by-time can be increased to up to 10 years. These factors make DECT ULE technology an excellent choice for the sensors, alarms and monitoring devices used in various types of home automation.

In addition, DECT is traditionally subject to less interference than other communications technologies, due to its exclusive spectrum range in Europe and more than 40 countries outside the CEPT area. DECT is also well known for its high quality and long range.


Dr Guenter Kleindl, Chairman of ETSI’s DECT Technical Committee (TC DECT) which is developing the DECT ULE standards, commented:

“DECT ULE is an exciting new application of DECT for a completely different market. It addresses many application scenarios, particularly in the M2M area, which no existing technology can support – other contenders suffer from a variety of drawbacks including high power consumption, spectrum access limitations, short range or a lack of standardisation”.

“The low power consumption of ULE technology extends battery life (typically up to 10 years) and, with New Generation DECT, connectivity to the Internet is already available, which makes DECT ULE ideal for sensors, alarms, M2M applications and industrial automation. The technology may also be applied to utility meters and related devices, which has implications for the operation of smart grids too. All these innovative new applications will benefit enormously from the properties inherent in DECT ULE. As a result, we expect DECT ULE to make a significant impact on the M2M market.”


The DECT base standard (EN 300 175 series) has also been updated to include the necessary new protocol elements and procedures for DECT ULE, and the revised version is expected to be published early in 2014.

Launched early in the 90s, ETSI’s DECT specification is the leading standard worldwide for digital cordless telecommunications for both cordless voice and broadband home communication. Over 820 million DECT/DECT New Generation devices have been purchased throughout the world, and every year more than 100 million new devices are sold. DECT is a member of the IMT 2000 family. The system has been adopted in over 110 countries and DECT products now account for more than 80% of the world cordless market.

DECT is a continuously evolving technology, and new versions of the core technology (DECT New Generation, also known as CAT-iq) are already widely implemented. DECT New Generation has added features such as High Definition (HD) voice, Voice over Internet Protocol (VoIP) etc, and other features are currently being developed.

ETSI produces globally-applicable standards for Information and Communications Technologies (ICT), including fixed, mobile, radio, converged, aeronautical, broadcast and internet technologies and is officially recognised by the European Union as a European Standards Organizstion. ETSI is an independent, not-for-profit association whose more than 750 member companies and organisations, drawn from 62 countries across five continents worldwide, determine its work programme and participate directly in its work.

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