A dock door portal must read multiple tags mounted on metal objects. Which of the following should be done to help reduce the reflective effects of the metal objects in the field?
Answer : B
A dock door portal must read multiple tags mounted on metal objects. Which of the following should be done to help reduce the reflective effects of the metal objects in the field?
Answer : B
High frequency (HF) output power is BEST measured as:
Answer : B
Which of the following is an attribute of an inductively coupled system [e.g. low frequency
(LF), high frequency (HF)] that a capacitively coupled [e.g. ultra high frequency (UHF), uW] system does not have?
Answer : D
Under optimal conditions, active RFID tags operating at 303.8MHZ or 433.92MHz can be read at:
Answer : C
The length of a passive RFID interrogation zone can be doubled by:
Answer : C
All of the following are true statements about passive RFID tags EXCEPT that they:
Answer : D
Passive ultra high frequency (UHF) tags perform BEST when communicating by:
Answer : D
An RFID system is to be used in a conveyor belt operation where single boxes with RFID labels are to be read. Which of the following types of antennas would be MOST effective?
Answer : B
As the distance between tags in a passive ultra high frequency (UHF) RFID interrogation zone decreases, which of the following is affected?
Answer : B
Interrogation zones that are found to be interfering with an existing system can BEST be resolved by doing which of the following?
Answer : A
Using a spectrum analyzer, it is determined that the source of interference in a passive ultra high frequency (UHF) system is the vehicle-mounted computers. The computers are operating in spread-spectrum 915 MHz mode. Which of the following would be the MOST efficient method of resolving this situation?
Answer : D
Based on the diagram, at which of the following numbered locations should antennas be placed to read tags on six sides of an RF-opaque carton? (Select TWO).
Answer : A,B
Which of the following temperatures is the lower limit of operation for a passive ultra high frequency (UHF) tag to operate in a cold environment?
Answer : A