<div dir="ltr"><table width="100%" border="0" cellspacing="0" cellpadding="0" style="color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:medium"><tbody style="box-sizing:border-box"><tr style="box-sizing:border-box"><td style="box-sizing:border-box"><div id="gmail-story" style="box-sizing:border-box;width:618.4px;font-size:16px;height:auto;float:left"><h1 style="box-sizing:border-box;font-size:16pt">Apple announce 13.560 MHz CarKey</h1><p style="box-sizing:border-box">Apple has announcedĀ <strong style="box-sizing:border-box">CarKey</strong>, a way to wirelessly unlock your car with your iPhone, it could herald the start of an era that sees 13.560 MHz NFC transmitters installed in cars<br style="box-sizing:border-box"><br style="box-sizing:border-box">NFC has a typical bandwidth of 14 kHz but signal sidebands may extend up to 1.8 MHz either side of 13.560 MHz. The data rates range from 106,000 to 424,000 bps<br style="box-sizing:border-box"><a href="https://www.rfwireless-world.com/Articles/NFC-basics.html" target="_blank" style="box-sizing:border-box;color:rgb(0,51,102);text-decoration-line:none">https://www.rfwireless-world.com/Articles/NFC-basics.html</a><br style="box-sizing:border-box"><br style="box-sizing:border-box">Read the Verge article on Apple CarKey<br style="box-sizing:border-box"><a href="https://www.theverge.com/2020/6/22/21299182/apple-carkey-ios-14-13-digital-key-unlock-car-iphone-wwdc-2020" target="_blank" style="box-sizing:border-box;color:rgb(0,51,102);text-decoration-line:none">https://www.theverge.com/2020/6/22/21299182/apple-carkey-ios-14-13-digital-key-unlock-car-iphone-wwdc-2020</a><br style="box-sizing:border-box"><br style="box-sizing:border-box">Paper: High Speed RFID/NFC at the Frequency of 13.560 MHz, page 3 shows NFC spectral maskĀ <br style="box-sizing:border-box"><a href="https://www.eurasip.org/Proceedings/Ext/RFID2007/pdf/s1p4.pdf" target="_blank" style="box-sizing:border-box;color:rgb(0,51,102);text-decoration-line:none">https://www.eurasip.org/Proceedings/Ext/RFID2007/pdf/s1p4.pdf</a></p></div></td></tr></tbody></table></div>