Remember FDD
Full name: Frequency Division Duplex
Memory aid: Frequencies Divide the two Directions.
FDD differs from time-sharing the same frequency in TDD.
Study area: Wi-Fi & radio · Batch 6
Relevant study for: CompTIA A+ Core 1 220-1201 · CompTIA Network+ N10-009 · Cisco CCNA 200-301 · ISC2 CISSP 2024 outline
Practice with exam flashcards →Networking & Connectivity / Knowledge library
FDD — Frequency Division Duplex
Separates uplink and downlink using different frequency allocations.
Why learn FDD — Frequency Division Duplex?
Separates uplink and downlink using different frequency allocations.
Where it came from
FDD differs from time-sharing the same frequency in TDD.
- Memory aid (a learning cue, not the expansion): Frequencies Divide the two Directions.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand FDD: Frequency Division Duplex.
- Recall this memory aid: Frequencies Divide the two Directions.
- Explain the practical use: Separates uplink and downlink using different frequency allocations.
- Explain this distinction: FDD differs from time-sharing the same frequency in TDD.
- Identify FDD in a device specification, architecture diagram, or system inventory.
Documentation and sources
- Wi-Fi Alliance technology (www.wi-fi.org)
- IEEE wireless LAN working group (www.ieee802.org)