Technology Abbreviations and Acronyms

1. FR
   Full-Rate
2. FR
   Full Rate
3. FR
   Full Reference
4. FR
   Friday
5. FR-SSCS
   Frame Relaying Service-Specific Convergence Sublayer
6. FR&O
   First Report and Order
7. FR2
   Feature Release 2
8. FR2
   Foam Rails, 2
9. FR2
   Formula Raceroom 2
10. FR2
    Framework Region 2
11. FR2
    Fully Restricted 2
12. FR3
    France Regions 3
13. FR3
    Feature Release 3
14. FR3
    Framework Region 3
15. FR4
    Flame Retardant 4
16. FR4
    Flame Retardant, Woven Glass Reinforced Epoxy Resin
17. FR4
    Framework Region 4
18. FRA
    Federal Railroad Administrator
19. FRA
    Federal Railway Administration
20. FRA
    Financial Research Associates

Last updated: May 6, 2025 — Total entries: 355,030