A Cell phone jammer is a device used to prevent cellular phones from receiving signals from base stations.
It is a device that transmit signal on the same frequency at which the GSM system operates, the jamming is success when the mobile phones are disabled in the area where the jammer is located.
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A Cell phone jammer is a device used to prevent cellular phones from receiving signals from base stations.
It is a device that transmit signal on the same frequency at which the GSM system operates, the jamming is success when the mobile phones are disabled in the area where the jammer is located.
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
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2. CONTENTS
What is MOBILE JAMMER?
History
Working of MOBILE JAMMER
Techniques
Applications
Future scope
Conclusion
3. What is MOBILE JAMMER?
• MOBILE JAMMER is used to prevent mobile phones from
receiving or transmitting signals with the base station .
• Mobile Jammer can be used in practically any location but are
used in places where a phone call would be particularly disruptive
like Temples,Hospitals,Libraries,Cinemahalls,Schools and
Colleges etc.
4. HISTORY:
MOBILE JAMMER were originally developed for law enforcement
and the military to interrupt communication by criminals and
terrorists.
Some were also designed to foil the use of certain remotely
detonated explosives .
5. Working of MOBILE JAMMER :
A Jamming device
transmits on the same radio
frequencies as the cellphone,
disrupting the communication
between the phone and
cellphone base station in the
tower.
It is called Denial of
Service Attack.
7. Jamming Techniques
1. Type “A” Device: Jammers :-
This type of device comes equipped with several
independent oscilators transmitting ‘jamming signals’ capable of
blocking frequiencies used by paging devices as well as those used by
cellular systems control channels for call establishment.
8. Jamming Techniques
2. Type “B” Device: Intelligent Cellular Disablers :-
Unlike Jammers,type ‘B’ devices do not transmit and interfering
signal on the control channels.The device when located in a
designated ‘quiet’ area functions such as ‘detector’. It has a unique
identification number for communicating with the cellular base
station.
9. Jamming Techniques
3. Type “C” Device :Intelligent Beacon Disablers :-
Unlike Jammers , type “C” devices do not transmit an
interfering signal on the control channels .The device when located
in a designated ‘quiet’ area, functions such as ‘Beacon’ and any
compatible terminal is instructed to disable its ringer or disable its
operation , while within the coverage area of beacon.
10. Jamming Techniques
4. Type “D” Device : Direct Receive And Transmit
Jammers :-
This jammer behaves like a small, independent and
portable base station , which can directly interact intelligently or
unintelligently with the operation of the local mobile phone.
11. Jamming Techniques
5. Type “E” Device : EMI Shield-Passive Jamming :-
This technique is using EMI suppression technique to make a
room into what is called faraday cage. Although labor intensive to
construct , the faraday cage essentially blocks or greatly attenuates,
virtually all electromagnetic radiation from entering or leaving the
cage or in this cage a target room.
12. APPLICATIONS
Jammers can be used in areas where transmissions are dangerous
such as chemical storage facilities or grain elevators.
Corporations use jammers to stop corporate espionage by blocking
voice transmissions and photo transmissions from camera phones .
For providing calm and peaceful atmosphere in hospitals.
To maintain the complete silence in library and lecture hall .
To avoid the fraud in examination hall .
14. FUTURE SCOPE
While the law clearly prohibits using a device to actively disrupt a
cell-phone signal , there are no rules against passive cell phone
blocking .
Companies are working on devices that control a cell phone but do
not “jam the signal” .
16. CONCLUSION
Every device is acts as good aspect as well as bad aspects .
Jamming is seen as property theft ,safety hazard .
But it’s overall performance is very good and helpful in our life .
