三星 Note20 Ultra 支持 UWB 技术 可充当「数字钥匙」
iPhone 11 Pro 系列之后，昨晚发布的 Galaxy Note 20 Ultra 成为业内第二款具备超
宽带（Ultra Wideband，简称 UWB）技术的旗舰手机 … 三星还宣布，基于 UWB 技
术还能通过 AR 技术帮助你更精准地找到东西，将 Galaxy 手机变成一把「数字钥匙」
来开你家的门 … 超宽带（Ultra Wide Band，UWB）技术是一种无线载波通信技术，
它不采用正弦载波，而是利用纳秒级的非正弦波窄脉冲传输数据，因此其所占的频谱范
围很宽。
Samsung Note20 Ultra supports UWB technology to act as a “digital key”
The Galaxy Note 20 Ultra, released last night after the iPhone 11 Pro series, is the second in the industry to have a super.
Ultra Wideband technology’s flagship phone … Samsung also announced that based on UWB technology.
It also helps you find things more precisely with AR technology, turning your Galaxy phone into a “digital key”
Come and open the door of your house… Ultra Wide Band ,UWB technology is a wireless carrier communication technology.
Instead of using sine carriers, it uses nanosecond-level non-sine wave narrow pulses to transmit data, so it occupies the spectrum paradigm.
The perimeter is very wide.