<p dir="ltr">How about:</p>
<p dir="ltr">Datacentre (10 us, 100 kHz)<br>
LAN/WiFi (1 ms, 1 kHz)<br>
Metropolitan (10 ms, 100 Hz)<br>
Regional (30 ms, 33 Hz)<br>
Transcontinental (100 ms, 10 Hz)<br>
Intercontinental (300 ms, 3 Hz)<br>
Satellite (1000 ms, 1 Hz)<br>
Translunar (3000 ms, 0.3 Hz)<br>
Interplanetary (100000 ms, 0.01 Hz)</p>
<p dir="ltr"> - Jonathan Morton<br>
</p>