CFR › Title 21 › Part 870 › §870.280021 CFR §870.2800Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Identification. A medical magnetic tape recorder is a device used to record and play back signals from, for example, physiological amplifiers, signal conditioners, or computers.(b)Classification. Class II (performance standards).