https://devzone.nordicsemi.com/f/nordic-q-a/57266/multi-link-central-on-nrf51802Hi I&#39;m planning to connect three different BLE peripheral like Heart-rate sensors, Health Thermometer, and Blood Pressure to a Central BLE device. I&#39;m using a small customized module &quot;ND02-C&quot; that is based on the NRF51802QFAAA0 chip, I can programen-USTelligent Community 13Mon, 03 Feb 2020 12:19:48 GMThttps://devzone.nordicsemi.com/thread/232307?ContentTypeID=1Mon, 03 Feb 2020 12:19:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c1e6d15e-c95f-4aaf-aca2-771b1313d67dSigurd<p>Hi,</p> [quote user=""]can I use this chip for a small multi-link app for at least 3 concurrent connections?[/quote] <p>&nbsp;No,&nbsp;compiling&nbsp;this example with 3 links&nbsp;requires 22kB RAM. Go for the&nbsp;<span>32 kB RAM nRF51 variant, or alternatively, upgrade to&nbsp;the nRF52 series, and use e.g. nRF52832 instead.</span></p><div style="clear:both;"></div>