<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <br />Nokia used to push 900 - 1000MHz through long pin headers in the TMN-1 NMT900 mobile phone. <br />And a few other places, but that's the highest frequency I have seen. <br />Others are <500MHz.</p>
