https://devzone.nordicsemi.com/f/nordic-q-a/10160/using-an-external-1-8v-with-nrf51What are the voltage input range specs if you use low voltage mode (external power supply at 1.8V)?en-USTelligent Community 13Tue, 10 Nov 2015 08:52:58 GMThttps://devzone.nordicsemi.com/thread/37680?ContentTypeID=1Tue, 10 Nov 2015 08:52:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:740db1f7-1f64-4dae-ba71-8abdc91bc32cPetter Myhre<p>You can find this information in the nRF51822/nRF51422 Product Specification v3.1. See Section 7.</p><div style="clear:both;"></div>