4. Multiplex communications
  5. Communication over free space
  6. Repeater

Hai Qu

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Annunciators for voice and data applications in wireless...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Apparatus and method for transparent and integrated wireless...

Telecommunications – Radiotelephone system – Message storage or retrieval
Reexamination Certificate

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GSM cell broadcast SMS message transmission in CDMA...

Multiplex communications – Communication over free space – Repeater
Reexamination Certificate

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GSM cell broadcast SMS message transmission in CDMA...

Multiplex communications – Communication over free space – Repeater
Reexamination Certificate

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Method and apparatus for accessing supplementary services...

Telecommunications – Radiotelephone system – Special service
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2399425

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