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Why are some phones called mobile and landlines called immobile?
A 'landline' phone is fixed. it has to be physically plugged into a socket on the wall to connect to the phone network. A mobile phone is essentially a two-way portable radio which sends and receives calls via high-frequency radio waves.
If mobile is switched off is there transmission of rf signals?
No.In "Airplane" mode or when switched off there are no radio frequency emissions from a cell phone.
Why cellphone do not have AM radio?
Mobile phones do not have AM radios because that's an old frequency, we now have FM radio so it would make mobile phones look dated. Just like in movies, when you see a mobile phone that's old, you also think the movie is dated.
What is RX TX of a mobile phone?
RX nd TX refers to the radio frequencies the phone uses to receive and transmit voice calls. A mobile phone is essentially two 'walkie-talkies' operating at the same time - so you can talk and hear simultaneously. The handset transmits (TX) on one frequency, and receives (RX) on a different frequency.
What is a wave with the longest wavelength and lowest frequency?
The type of wave with the longest wavelength and lowest frequency is a radio wave. These waves have frequencies ranging from about 3 kHz to 300 GHz and are used for various forms of communication, including radio broadcasts and mobile phone signals.
Why is Radio Frequency used in mobile communication?
the frequency used in mobile communication should be greater then 30mhz so cannot be reflected by the ionosphere thats why we are using a frequency of range less ghz so called "radio waves"
How are microwaves and mobiles linked?
Only similarity between a microwave and mobile is that both uses a electromagnetic radiation but of different frequency for its operation. Microwaves uses micro waves to heat up food molecules where as mobile phone uses radio wave frequency.
What is the purpose of resonation?
Resonance describes a 'condition' rather than a 'purpose', but it is made use of in (for example) radio circuits, in order to tune the radio to a particular frequency (the resonant frequency of the signal).
Can your cell phone be tapped?
Yes.Added: Absolutely - Your ordinary (consumer-type) cellphone is simply nothing more than a radio transmitter. Anyone tuned to the proper radio frequency can hear your conversation.
What is the purpose of resonance circuit?
Resonance describes a 'condition' rather than a 'purpose', but it is made use of in (for example) radio circuits, in order to tune the radio to a particular frequency (the resonant frequency of the signal).
Where can you listen to radio on your mobile phone?
Yes, depending on the type.
what is the similarities of mobile phone and radio?
they both communication device
