See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
802.11 a/b/g/n (HT20) Client Device RM012
Functionality description from the DTS Report 1:
- "The EUT is 802.11 a/b/g/n (HT20) Client Device. Product model S13 is a high-performance all-in-one wireless smart speaker and part of Sonos’ home sound system. S13 adds integrated voice control functionality with far field microphones. Moreover, the device will support multiple voice platforms and music services, allowing customers to effortlessly control their music on Sonos."
Most useful FCC documents are under short-term confidentiality until 02/24/2018.