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Ultra-wideband (UWB, ultra wideband, ultra-wide band and ultraband) is a radio technology that can use a very low energy level for short-range, high-bandwidth communications over a large portion of the radio spectrum. The following is a list of devices that support the technology from various UWB silicon providers.
AirTags are compatible with any iPhone, iPad, or iPod Touch device capable of running iOS/iPadOS 14.5 or later, including iPhone 6S or later (including iPhone SE 1, 2 and 3). Using the built-in U1 chip on iPhone 11 or later (except iPhone SE models), users can more precisely locate items using ultra-wideband (UWB) technology.
A common file extension for the AMR-WB file format is .awb. There also exists another storage format for AMR-WB that is suitable for applications with more advanced demands on the storage format, like random access or synchronization with video. This format is the 3GPP-specified 3GP container format, based on the ISO base media file format.
Apple launched the first three phones with ultra-wideband capabilities in September 2019, namely, the iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max. [10] [11] [12] Apple also launched Series 6 of Apple Watch in September 2020, which features UWB, [13] and their AirTags featuring this technology were revealed at a press event on April 20, 2021.
In order to properly measure a UWB signal with a spectrum analyzer and compare it to the -41.3dBm/MHz, you should use the following settings. If you connect a UWB transmitter directly into a spectrum analyzer (conducted with a cable, no antenna over the air), you should get values in the -43dBm to -40dBm range. Detector: RMS (NOT Peak.
iPhone XR – N84 and Star or Lisbon or Hangzhou [47] iPhone XS – D32 [47] iPhone XS Max – D33 [47] iPhone 11 – N104 [48] iPhone 11 Pro – D42 [48] iPhone 11 Pro Max – D43 [48] iPhone 12 mini – D52G [49] iPhone 12 – D53G [49] iPhone 12 Pro – D52P [49] iPhone 12 Pro Max – D52P [49] iPhone SE (2nd generation) – D79 [citation ...
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Adaptive Multi-Rate Wideband audio (ITU-T G.722.2) RFC 4867 dynamic (or profile) AMR-WB+ audio 1, 2 or omit 72000 13.3–40 Extended Adaptive Multi Rate – WideBand audio RFC 4352 dynamic (or profile) vorbis audio (various) (various) Vorbis audio RFC 5215 dynamic (or profile) opus audio 1, 2 48000 [note 3] 2.5–60 20 Opus audio RFC 7587