https://devzone.nordicsemi.com/f/nordic-q-a/119425/nrf9160-lfxo-hfxo-clarification-on-nrf9160-clock-sources-and-precision-timingHello, I am using the LTE IoT 4 Click board based on the nRF9160, with SDK version 2.6.0 and modem firmware version 1.3.6. I read in the documentation that the nRF9160 provides four clock sources: HFINT, HFXO, LFRC, and LFXO. I understand that HFINTen-USTelligent Community 13Mon, 03 Mar 2025 12:19:24 GMThttps://devzone.nordicsemi.com/thread/525494?ContentTypeID=1Mon, 03 Mar 2025 12:19:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:628c68bb-4493-45b5-8b99-f5ca48e1cac6Jared<p>Hi,</p> <p>The crystals are already included in the SiP internally so no external components needed except for decoupling capacitors, antenna tuning components + antenna.</p> [quote user=""]My goal is to achieve the highest possible timing precision. The idea is to synchronize the SiP’s clock with the network clock while minimizing drift, so that the system clock can continue counting from the synchronized network time without requiring frequent resynchronization (e.g., every minute) to maintain minimal drift.[/quote] <p>Are you going to use the GPS on the nRF9160?</p> <p>regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>