Search results
Ultra Wideband is available on all iPhone 11, iPhone 12, iPhone 13, iPhone 14, and iPhone 15 models, and availability varies by region. Ultra Wideband must be turned off when onboard aircraft, ships, and other prohibited regions by turning on airplane mode.
18 paź 2020 · As the "Ultra Wideband" name suggests, UWB does away with narrow ranges and instead transmits data across a far larger frequency band. While a typical Wi-FI channel width may be 20MHz, 40MHz,...
28 gru 2021 · Using Heisenberg's uncertainty principle we can roughly determine the width Δt of the pulse, given a certain bandwidth Δf*: ΔfΔt ≥ 1/4π. From this simple formula we can see that if we want a narrow pulse, which is necessary for accurate timing, we need to use a large bandwidth.
13 wrz 2023 · The U1 chip then multiplies this travel time by the speed of light to determine the inch-level distance to nearby phones or tags. iPhones equipped with the UWB chip use this distance data to create magical user experiences.
It transmits data across short distances and precisely determines location by measuring how long it takes for a radio pulse to travel between devices. As the name suggests, it also uses a wider frequency.
21 cze 2024 · Time-of-Flight Calculation: UWB measures how long it takes for a signal to travel between devices, providing precise distance measurements. Directional Information: UWB can determine the direction of a signal, giving not just distance but also the location in a 3D space.
3 gru 2020 · The new iPhone 12 models move between 4G and 5G to conserve battery power. When 5G is needed -- like for high-def video streaming -- it'll automatically tap into that network.
