https://devzone.nordicsemi.com/f/nordic-q-a/1491/antenna-design-2-layer-vs-4-layer-pcbHi, I would like to use the PCA10000 dongle hardware and antenna design for my PCB, i got some questions: 1)I have just UART pin outs extra, I would like to reduce the cost and the complexity i want to go with 2 Layer PCB, What will be the drawbacken-USTelligent Community 13Thu, 30 Jan 2014 16:02:16 GMThttps://devzone.nordicsemi.com/thread/6652?ContentTypeID=1Thu, 30 Jan 2014 16:02:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:89fc7282-0998-4f0d-96dc-974435883b3cHung Bui<p>Hi Berkan,</p> <ol> <li>As far as I am aware of, the main drawbacks of 2 layers PCB vs 4 layers PCB are:</li> </ol> <ul> <li>Bigger PCB size</li> <li>Some IC packages (e.g BGA) requires more than 2 layers to route the pins out.</li> </ul> <p>When there is no size constraint, or chip footprint requirements we usually use 2 layers PCB board for our Development Kits.</p> <ol start="2"> <li>The bigger grounding actually help improving the RF performance. You just have to remember adding sufficient number of vias to have better grounding.</li> </ol><div style="clear:both;"></div>