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The DECT system

机译：DECT系统

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The reason for developing a common European standard for cordless communication was motivated by the complicated situation on the cordless market in the 1980s. A lot of incompatible cordless telephone systems existed and were in use in Europe. Many products were inexpensive telephones illegally imported from the far east. In addition, some European products as the analogue CT1 system and a digital FDMA system (CT2) developed in the UK, were adopted and used in some countries. However, all these systems were relatively simple, offering only some of the facilities and services a user would require from a complete cordless system. Based on this situation it was decided to develop a standard cordless radio interface capable of providing interoperability between equipment from different manufacturers and meeting the growing demands and expectations for cordless voice and data communication. A single frequency band was dedicated for this standard called Digital European Cordless Telecommunications (DECT) in the range 1880 - 1900 MHz. In 1988 ETSI established a committee to work on the standard. In June 1991 the specification was completed and published a few months later. The DECT standard got its final approval as ETSI standard in June 1992.
机译：制定通用的欧洲无绳通信标准的原因是1980年代无线市场的复杂局面。欧洲存在并使用了许多不兼容的无绳电话系统。许多产品是从远东非法进口的廉价电话。此外，一些国家采用了一些欧洲产品，如英国开发的模拟CT1系统和数字FDMA系统（CT2）。但是，所有这些系统都是相对简单的，仅提供用户从完整的无绳系统中需要的一些设施和服务。基于这种情况，决定开发一种标准的无绳无线电接口，该接口能够在不同制造商的设备之间提供互操作性，并满足对无绳语音和数据通信不断增长的需求和期望。该标准专用于一个单一频段，称为1880-1900 MHz范围内的数字欧洲无绳电信（DECT）。 1988年，ETSI成立了一个负责该标准的委员会。 1991年6月，该规范完成并在几个月后发布。 DECT标准在1992年6月获得了ETSI标准的最终批准。

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