| skos:altLabel | - physical
- Physical
- L1
- PHY
- Layer 1
- Layer 1 - Physical
- OSI layer 1
- OSI physical layer
- PHY (physical layer)
- PHY Layer
- PHY headers
- Physical Layer
- Physical Layer Protocol
- Physical layer#PHY
- Physical layer#Physical signaling sublayer
- Physical signaling sublayer
- Physical_layer#PHY
- \"Physical\"
- layer 1
- lower-layer
- physical connections
- physical layer
- physical layer systems
- physical network layer
- physical signaling
- physical-layer
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