Assertion: voiceband modem | /r/CapableOf | remain at 300 and 1,200 bit/s
Facets:
value: into the mid-1980s
type: TEMPORAL
value: generally
type: DEGREE
Source sentences:
text: Voiceband modems generally remained at 300 and 1,200 bit/s (V.21 and V.22) into the mid-1980s.