https://devzone.nordicsemi.com/f/nordic-q-a/62445/nrf52840-pcb-antenna-designHello, This is first time to design the PCB antenna for nRF52840 BLE Chip. Can i use the nRF52840 DK Board HW layout for reference or should i use the USB dongle for nRF52840 HW file for reference. Please suggest....ASAP.en-USTelligent Community 13Tue, 16 Jun 2020 14:13:22 GMThttps://devzone.nordicsemi.com/thread/255303?ContentTypeID=1Tue, 16 Jun 2020 14:13:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e36c19ea-5616-4406-87ed-3793a099816cKaja<p>That is very difficult to say, they will depend on the channel, environment, antenna efficiency, ect..&nbsp;<br /><br /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/254562?ContentTypeID=1Thu, 11 Jun 2020 16:21:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ec0b2573-0e19-43a9-bf54-f92fc5156623Balu Varkala<p>Thank you..! If i use the USB Dongle reference(Antenna) layout how much distance will cover the BLE...</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/254407?ContentTypeID=1Thu, 11 Jun 2020 09:17:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e44174d8-618e-4fde-8fd8-beb1c86454daKaja<p>Hi,&nbsp;<br /><br />your welcome to use both, if you have room use the one the DK.&nbsp;<br /><br />You can see our&nbsp;<a href="https://infocenter.nordicsemi.com/pdf/nwp_008.pdf?cp=14_17">white paper</a>.<br /><br />Best regards,<br />Kaja</p><div style="clear:both;"></div>