Radios can be found through the Enrichment Center in Portal, and less frequently in Portal 2. On March 1, 2010, a Portal update expanded the radios' role within the game, using it within an alternate reality game to promote Portal 2.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 30 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
