When deploying devices in an indoor manufacturing environment, which IP rating is more likely to be required?
IP Ratings & Manufacturing:IP66 provides:
Dust-tight:(First '6') Complete protection against dust ingress.
Powerful Water Jets:(Second '6') Protection against strong water jets from any direction.
Harsh Manufacturing Environments:IP66 is common due to dust, dirt, and potential exposure to liquids during cleaning or spills.
References
IP Ratings:https://en.wikipedia.org/wiki/IP_Code
How is ASK modulation different from FSK modulation?
Key Modulation Differences:
ASK (Amplitude Shift Keying):Digital data is represented by changes in the amplitude (strength) of a carrier wave.
FSK (Frequency Shift Keying):Digital data is represented by changes in the frequency of a carrier wave.
References
ASK:https://en.wikipedia.org/wiki/Amplitude-shift_keying
FSK:https://en.wikipedia.org/wiki/Frequency-shift_keying
You are implementing a smart office wireless solution for a small business. The business owner indicates that It is acceptable to use consumer-targeted wireless devices. What is a common negative attribute of consumer-targeted smart home or smart office devices?
Consumer Smart Devices Limitation:Many consumer-oriented smart devices are designed for simplicity and cost-effectiveness, leading to reliance on the crowded 2.4 GHz band.
Consequences:
High Interference:Increased potential for interference from Wi-Fi and other 2.4 GHz devices.
Limited scalability:Performance and reliability may degrade in busy wireless environments.
What function does the IEEE perform in relation to wireless technologies?
IEEE's Role:The Institute of Electrical and Electronics Engineers (IEEE) is a global organization critical in developing and promoting technical standards across various fields, including wireless technologies.
Standards Work:IEEE creates wireless technology standards like:
IEEE 802.11:Wi-Fi standards
IEEE 802.15.4:Basis for ZigBee, Thread, and other low-power networks
References
What metric is used to express a relative increase or decrease in signal strength?
Decibel (dB):A logarithmic unit expressing ratios of power or signal strength. It's used in RF contexts due to the wide range of signal levels encountered.
Examples:
dBm:Decibels relative to one milliwatt (power measurement).
dBi:Decibels relative to an isotropic antenna (antenna gain).
References
Decibel:https://en.wikipedia.org/wiki/Decibel
