With the progress of the times and the development of technology, smart phones have become something that everyone has and often accompanies. At present, the mainstream charging mode is still the traditional wired charging mode, and wireless charging (WPT) is also quietly rising, which has also spawned the birth of a variety of wireless charging base station products, which has brought new challen...[+more]
As we all know, Bluetooth is a well-known and commonly used function, but it is not so familiar with the testing and certification requirements of Bluetooth single-mode and dual-mode. This article takes you to understand the development history of Bluetooth and the testing and certification scheme of Bluetooth....[+more]
The European Telecommunications Standards Institute (ETSI) updated the CE certification standard EN 301 908-13 for LTE user equipment in November. The drafted standard EN 301 908-13 V13.2.0 is expected to be Official Journal in 2022. Compare with current version, the new version of the standard has further improved the requirements described on below...[+more]
Although the draft regulation of ETSI EN 303 687 has long been formulated, it could not be certified and sold until Iceland, one of the EU Member States, first opened Wi-Fi 6E....[+more]
Difference analysis of ETSI EN301893 Stable Draft...[+more]
The European Telecommunications Standardization Institute (ETSI) launched the IMT cellular network in September; Harmonised standards for the use of radio spectrum; Part I: Introduction and General Requirements ETSI EN 301 908-1 V15.1.1(2021-09) will become mandatory on 30 June 2023. The new version of the standard improves on the current tests compared to the previous version....[+more]
In the face of more and more wireless charging (WPT) products entering the European market, in order to ensure that the products can pass the European customs smoothly, it is necessary to carry out the relevant CE certification. This article is the interpretation of WPT RF regulation ETSI EN 303417 V1.1.1, which provides some reference for those who do not understand this regulation....[+more]
FCC KDB 447498 DR04 is released. In the future, in short-distance products, the exempted SAR test power will be reduced....[+more]