olemus
mobiilsidevõrgu väikerakk leviulatusega kuni 200 m,
hõlmab väikest ala, näiteks büroohoonet, rongijaama, kaubanduskeskust, staadioni

Wiktionary:
(telecommunications) a wireless communication system covering a small area, such as a single office or railway station, often used to extend cellular network coverage to indoor areas where signals cannot easily penetrate

ülevaateid
https://www.techopedia.com/definition/16860/picocell

https://en.wikipedia.org/wiki/Picocell

https://www.eetimes.com/document.asp?doc_id=1273406

https://www.signalbooster.com/pages/small-cell-installations-microcell-metrocell-picocell-femtocell

https://www.repeaterstore.com/pages/femtocell-and-microcell

vt ka
- femtorakk
- makrorakk
- mikrorakk
- väikerakk