A new generation of cordless phones has begun to appear on the market in Canada, using a new range of frequencies from 1920 to 1930 MHz. This new frequency range is dedicated to voice communications. Several well known manufacturers already have products on the market, including models that are VoIP and even Skype compatible. The phones have an impressive range of up to 300 metres, far better than any of their predecessors. Talk times for the average handset are also impressive at up to 12 hours.
All communications are encrypted and therefore secure and the frequency range will also guarantee virtually interference-free communications. The best news however, is that these phones will no longer cause annoying interference with 802.11b/g wireless networks.
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About DECT 6.0
DECT (Digital Enhanced Cordless Telecommunications) is a flexible digital radio access standard for cordless communications in residential, corporate and public environments. DECT provides for voice and multimedia traffic, and contains many forward-looking technical features that allow DECT-based cordless systems to play a central role in important new communications developments such as Internet access and interworking with other fixed and wireless services such as ISDN and GSM.
The DECT standard makes use of several advanced digital radio techniques to achieve efficient use of the radio spectrum; it delivers high speech quality and security with low risk of radio interference and low power technology.
TDMA (Time Division Multiple Access) radio access, with its low radio interference characteristics, provides high system capacity to handle up to 100'000 users per km² floor space in an office environment.
ADPCM (Adaptive Differential Pulse Code Modulation) speech encoding ensures a DECT cordless phone very high speech quality, comparable to wireline telephony.
DCS/DCA (Dynamic Channel Selection / Allocation) is a unique DECT capability that guarantees the best radio channels available to be used. This happens when a cordless phone is in stand-by mode, and throughout a call. This capability ensures that DECT can coexist with other DECT applications and with other systems in the same frequency, with high-quality, robust and secure communications for end-users.
Other features of the DECT standard include encryption for maximum call security and optimized radio transmission for maximum battery life.
DECT basic technology and the various profiles enhance the DECT standard, introducing evolutionary applications and services. The GAP profile, for example, ensures interoperability of equipment from different providers for voice applications.