TUNE YOUR LOOP: Applications of Industrial Wireless Systems

TUNE YOUR LOOP: Questions to keep you sharp.

Tune Your Loop is a series of posts consisting of questions from ISA Training Courses.

1. Identify which frequency band is being used in many wireless network systems.

  1. ~120 MHz
  2. ~960 MHz
  3. ~2400 MHz
  4. ~3200 MHz

2. List the three most prevalent methods of multiplexing techniques.

  1. ____________________
  2. ____________________
  3. ____________________

3. List the principle differences between an 802.11 system and a Bluetooth system.

4. List the three techniques that are used, sometimes in conjunction with one another,
to provide increased data security in a wireless network.

  1. ____________________
  2. ____________________
  3. ____________________

 

What are your answers before you read ahead?

1. C. 2400 MHz

2. TDMA, FDMA, CDMA

3. 802.11 has higher data transfer rate, consumes more power, has a larger radiated
footprint, is more expensive

4. encryption, scrambling, spread spectrum techniques

 

From the ISA Course Applications of Industrial Wireless Systems (SP25C) pre-instructional survey.

 

 

 

 

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