4. Multiplex communications
  5. Duplex
  6. Frequency division

Liping Zhen

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Dual band bidirectional amplifier for wireless communication

Telecommunications – Carrier wave repeater or relay system
Reexamination Certificate

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Systems and methods of efficient band amplification

Multiplex communications – Duplex – Frequency division
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2295322

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