https://devzone.nordicsemi.com/f/nordic-q-a/59848/can-we-communicate-with-2-nrf9160-dk-s-without-using-simHi Team, We are using nRF9160 DK without sim. We would like to connect to the other nRF9160 without BLE. Is it possible? As we use SIM for only authentication right, is there a chance to bypass that and make the 2 nRF9160 DK&#39;s communicate with eachen-USTelligent Community 13Fri, 03 Apr 2020 08:46:58 GMThttps://devzone.nordicsemi.com/thread/243328?ContentTypeID=1Fri, 03 Apr 2020 08:46:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f4d9c560-6d18-4068-9ac9-872bf559f9f0H&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> [quote user=""]Can we communicate with 2 devices without using SIM?[/quote] <p>The device supports NB1 and LTE-M, and both these requires registration to a eNB. So, no, that is not possible.</p> <p>&nbsp;</p> [quote user=""]Is there any application like RADIO testing/ DTM for nRF9160?[/quote] <p>There is no dedicated application, like DTM for bluetooth LE devices, but there is a specific AT command for evaluating RF PHY.&nbsp;</p> <p>AT%XRFTEST command is available:&nbsp;<a href="https://infocenter.nordicsemi.com/topic/ref_at_commands/REF/at_commands/mob_termination_ctrl_status/xrftest_set.html?cp=2_1_3_19_0">https://infocenter.nordicsemi.com/topic/ref_at_commands/REF/at_commands/mob_termination_ctrl_status/xrftest_set.html?cp=2_1_3_19_0</a></p> <p>&nbsp;</p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>