2- An RFID reader device transmits at 30 dBm. This signal is received by the tag reradiated back to RFID antenna with 5 dB loss (The tag has a reflected power lo The RFID device needs a power level of at least -90 dBm to properly dete reflected from a tag. The frequency of operation is 928 MHz. Both the reader have gains of 1.64 dB. R= 10 meter. a) Determine the power received by the tag antenna. b) Determine the power reradiated back to RFID antenna. c) Determine the power received by the RFID antenna.
2- An RFID reader device transmits at 30 dBm. This signal is received by the tag reradiated back to RFID antenna with 5 dB loss (The tag has a reflected power lo The RFID device needs a power level of at least -90 dBm to properly dete reflected from a tag. The frequency of operation is 928 MHz. Both the reader have gains of 1.64 dB. R= 10 meter. a) Determine the power received by the tag antenna. b) Determine the power reradiated back to RFID antenna. c) Determine the power received by the RFID antenna.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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antenna question
![2- An RFID reader device transmits at 30 dBm. This signal is received by the tag antenna and
reradiated back to RFID antenna with 5 dB loss (The tag has a reflected power loss of -5 dB.)
The RFID device needs a power level of at least -90 dBm to properly detect the signal
reflected from a tag. The frequency of operation is 928 MHz. Both the reader and the tag
have gains of 1.64 dB. R= 10 meter.
a) Determine the power received by the tag antenna.
b) Determine the power reradiated back to RFID antenna.
c) Determine the power received by the RFID antenna.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1de0b41c-d22c-4bc8-872e-c92f64488ff1%2F601f23c3-387a-4426-aa00-9bf12ac68bdf%2F1d2bzdd_processed.png&w=3840&q=75)
Transcribed Image Text:2- An RFID reader device transmits at 30 dBm. This signal is received by the tag antenna and
reradiated back to RFID antenna with 5 dB loss (The tag has a reflected power loss of -5 dB.)
The RFID device needs a power level of at least -90 dBm to properly detect the signal
reflected from a tag. The frequency of operation is 928 MHz. Both the reader and the tag
have gains of 1.64 dB. R= 10 meter.
a) Determine the power received by the tag antenna.
b) Determine the power reradiated back to RFID antenna.
c) Determine the power received by the RFID antenna.
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