CNET304 Lab 1 Lab Safety, RF Parts, & Wireless Networks Standards and Technologies(301159863).docx

Lab 1: Safety Rules, RF Parts, & RF Spectrum Lab 1: Safety Rules, RF Parts, & Wireless Networks Standard and Technologies Prepared by: Dr. Sattar Hussain,  Centennial College, 2020 Name Student ID Signature* OLAWALE SALIU 301159863 *By signing above, you attest that you have contributed to this submission and confirm that all work you have contributed to this submission is your work. Any suspicion of copying or plagiarism in this work will result in an investigation of Academic Misconduct and may result in a “0” on the work, School of Engineering Technology and Applied Science (SETAS) Information and Communication Engineering Technology (ICET) CNET 304 - Wireless Technology Course Lead: Dr. Sattar Hussain Section No. 005 Obtained Mark (out of 25) Due Date SEPTEMBER 19 TH 2021

Lab 1: Safety Rules, RF Parts, & RF Spectrum Task 1: General Safety Rules Electrical Safety : 120V AC wall outlets should be considered with the same care as at any other place. If equipment’s’ boxes are damaged and exposing inside electrical parts, unplug and report. Note the red button on the wall: it turns all electrical power in the lab off and it is to be used if a person is exposed to electrical danger. RF Radiation Safety : all transmitters and their transmitting antennas must always be considered a potential hazard of electromagnetic radiation. To be safe in the lab, the transmitter power should be set to max 10 mW (10 dBm) and the transmitting high-gain directional antennas (dish, yagi) always pointed to the less populated part of the room and/or above our heads. The students should keep min 10 cm distance from any transmitting antenna. These safety precautions apply only to the transmitting equipment, not receiving. These warning signs are used to indicate that high radio frequencies radiation may be used in lab or area and radiation hazards exist.

Lab 1: Safety Rules, RF Parts, & RF Spectrum Prelab Assignment 1. [2 marks] Can we be happy and worry-free when using mobile phones in either cell/wif- fi/Bluetooth system? Select one answer: Never,because radiations from these systems could be harmful to the human body. Always Never Sometimes 2. [2 marks] The model of the human head shows wireless energy generating heat in the head: what does this heat do to our brain? What is SAR? Would you buy the “SAR Shield” button or a pyramid art piece and consider to be safe from RF radiation? this heat causes an increase in temperature in the brain which in turn could lead to harmful effects like sleep deprivation, memory loss, lack of focus. SAR stands for Specific Absorption Rate.It is the measure of the rate at which energy is absorbed by the human body when exposed to wireless radiations. Yes,because they help limit the effect of RF radiation on the human body.

Lab 1: Safety Rules, RF Parts, & RF Spectrum Task 1: RF Parts Recognition [9 marks]

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