https://devzone.nordicsemi.com/f/nordic-q-a/18760/has-a-problem-with-ble-snifferDear Nordic Team. I have using hardware P/N PCA10028(DK Board) and PCA10031(USB dongle) for both used chip 1422. I have tired to finding FW for ble-sniffer for 1422 chip but not found it. I found FW ble-sniffer_nRF51822_1.0.1_1111_Sniffer.hex for 1822en-USTelligent Community 13Wed, 04 Jan 2017 08:51:51 GMThttps://devzone.nordicsemi.com/thread/72454?ContentTypeID=1Wed, 04 Jan 2017 08:51:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:431c1439-7c2d-4a41-90b3-6cbb513b9b24Sigurd<p>Hi,</p> <p>Yes, you can use the <code>ble-sniffer_nRF51822_1.0.1_1111_Sniffer.hex</code> with the nRF51422. The only difference between nRF51822 and nRF51422 is that you can also run ANT with nRF51422.</p><div style="clear:both;"></div>