# K891104: CD Telemetry Systems

- Pathway: 510(k) (Traditional)
- Applicant: Marquette Electronics, Inc.
- Decided: Apr 19, 1989 after 48 days
- Product code: DRG (Transmitters And Receivers, Physiological Signal, Radiofrequency)
- Device class: 2
- Regulation: 21 CFR 870.2910
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
125 later devices descend from it; 2 cite it directly.
0 of 126 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K974149: Ambulatory X-12 Telemetry Module (1998), 122 descendants of its own
- K030795: Lifesyne Systems (2003), 109 descendants of its own
- K061993: Equivital, Model EQ-01 (2006), 99 descendants of its own
- K113054: Equivital (2012), 71 descendants of its own
- K141167: Vitalconnect Platform (Consisting of Vitalconnect Sensor, Relay Software Library and Secure Server Software Library) (2014), 70 descendants of its own

Source page: https://510kreport.com/device/K891104
Methodology: https://510kreport.com/methodology