
| - To identify the location
- Compatible with:
- Detector base FDB2xx/‑AA
- Detector base FDB271
- Sounder base FDSB29x
- Base attachment FDB291
- Interbase FDSB22x
- Base (wall mounting) FDB226‑x
- Base deep (wall mounting) FDB227‑x
- Sounder beacon base FDSB226
- Voice sounder beacon base FDSB227
- Order number: A5Q00002621
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