https://devzone.nordicsemi.com/f/nordic-q-a/85020/smallest-wireless-comunication-possibleWorking on a project where I need some sort of wireless communication. The device is located inside a metal enclosure, so IR is not an option. Its only goiong to trigger a switch to a LED, but it needs to be as tiny as possible. Someone has any recomendationen-USTelligent Community 13Thu, 24 Feb 2022 09:40:52 GMThttps://devzone.nordicsemi.com/thread/354748?ContentTypeID=1Thu, 24 Feb 2022 09:40:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f7fcd849-4044-4e9c-bd77-ce128473c56fhaakonsh<p>If the device is entirely enclosed in metal then no RF signal will enter or exit the enclosure, it&#39;s a faraday cage.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/354361?ContentTypeID=1Tue, 22 Feb 2022 13:11:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:24ffd89a-1afa-41d0-93ca-8d54eac3de1bFredrik Sannerhaugen<p>So then i have to go for some other technology i suppose?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/354353?ContentTypeID=1Tue, 22 Feb 2022 12:58:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a8cd3fc6-b34a-4dd3-a44b-2354b2547a71haakonsh<p>Will this device also be located inside a metal enclosure?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/354340?ContentTypeID=1Tue, 22 Feb 2022 12:38:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:477730f0-64f1-4207-94ae-56d9c0a8161dhaakonsh[quote user=""]The device is located inside a metal enclosure, so IR is not an option.[/quote] <p>Unless you have an external antenna, RF is also not an option in this case.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/354338?ContentTypeID=1Tue, 22 Feb 2022 12:37:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a4b65e61-898e-4b60-b69e-046c42c41dd7Jeff Seaman<p>I am also looking for a very small wireless receiver to do a similar job.&nbsp; Read some sensors and have the sensors acted on or not by a remote signal.</p><div style="clear:both;"></div>