A group of technologies related to RFID reader and tag are described, including: redundant networked multimedia RFID reader, auto-ranging RFID reader, auto-planning RFID reader, smart active antenna RFID reader and novel RFID tags. These enabling technologies bring RFID reader operations into a new level of automation, capability and ease of implementation.

 
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> Method and system of promptly processing real-time media stream data packet

> Method and device for tapping the payload data of multimedia connections in a packet network
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