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Wireless Communication

This rapidly growing segment of the communication industry has the potential of providing high-speed high-quality information exchange between portable devices. Wireless communication enables several applications including multimedia Internet-enabled cell phones, automated highway systems, smart homes and appliances and videoconferencing, among others.

4,616 Questions

What kind of cell phone does Fantasia have?

She has a H T C phone because like some people she can afford it

Is there any way for a phone company to detect that your cell phone has been submerged in water other than the 'red dot indicator'?

If sending for repair yes as the battery has a indicator also, and the copper connecters around internal electrical components can rot (go oxidised green) however if sent to warrenty repair can sometimes come back repaired, and there are companies that will repair water damaged units. its luck really as it is down to a human to check and if they cant spot the damage then you can get away with it.

What is the difference between unlocking a phone and flashing a phone?

Unlocking usually refers to a GSM network and flashing usually refers to CDMA networks.

When you unlock a phone you can use it on any carrier that uses the same radio (GSM/CDMA), or if you have a world phone, either a GSM or CDMA.

Flashing the phone just allows you to use one specific CDMA carrier.

What do A Cell Phone Do?

THINGS YOU NEVER KNEW YOUR CELL PHONE COULD DO.

There are a few things that can be done in times of grave emergencies. Your mobile phone can actually be a life saver or an emergency tool for survival. Check out the things that you can do with it:

FIRST

Subject:

Emergency

The Emergency Number worldwide for Mobile is 112. If you find yourself out of the coverage area of your mobile; network and there is an emergency, dial 112 and the mobile will search any existing network to establish the emergency number for you, and interestingly this number 112 can be dialed even if the keypad is locked. Try it out.

SECOND

Subject:

Have you locked your keys in the car?

Does your car have remote keyless entry? This may come in handy someday. Good reason to own a cell phone: If you lock your keys in the car and the spare keys are at home, call someone at home on their cell phone from your cell phone. Hold your cell phone about a foot from your car door and have the person at your home press the unlock button, holding it near the mobile phone on their end. Your car will unlock. Saves someone from having to drive your keys to you. Distance is no object. You could be hundreds of miles away, and if you can reach someone who has the other "remote" for your car, you can unlock the doors (or the trunk). Editor's Note: It works fine! We tried it out and it unlocked our car over a cell phone!"

THIRD

Subject:

Hidden Battery Power

Imagine your cell battery is very low. To activate, press the keys *3370# your cell will restart with this reserve and the instrument will show a 50% increase in battery. This reserve will get charged when you charge your cell next time.

FOURTH

How to disable a STOLEN mobile phone?

To check your Mobile phone's serial number, key in the following digits on your phone: * # 0 6 # A 15 digit code will appear on the screen. This number is unique to your handset. Write it down and keep it somewhere safe. When your phone gets stolen, you can phone your service provider and give them this code. They will then be able to block your handset so even if the thief changes the SIM card, your phone will be totally useless. You probably won't get your phone back, but at least you know that whoever stole it can't use/sell it either. If everybody does this, there would be no point in people stealing mobile phones.

And Finally...

FIFTH

Cell phone companies are charging us $1.00 to $1.75 or more for 411 information calls when they don't have to. Most of us do not carry a telephone directory in our vehicle, which makes this situation even more of a problem. When you need to use the 411 information option, simply dial: (800) FREE 411, or (800) 373-3411 without incurring any charge at all. Program this into your cell phone now. This is the kind of information people don't mind receiving, so pass it on to your family and friends.

Analysis: Beware forwarded emails offering esoteric tips and tricks "you never knew." Most of the claims in this message are either false or have limited applicability. Let's examine them one by one:

CLAIM: The worldwide emergency number for cell phones is 112.

Not quite. Throughout most of Europe and a few countries outside of the EU, dialing 112 will connect users to local emergency services. However, the number won't work in North America, nor most of Asia and Africa. Many, but not all, cell phone models will allow special emergency numbers to be dialed even if the phone lacks a SIM card or the keypad is locked.

CLAIM: Unlock a car door with your cell phone and a spare remote key.

False. As discussed previously in these pages, cell phones and remote keyless entry systems work on entirely different radio frequencies. Therefore, cell phones are incapable of re-transmitting the signal from a remote key to unlock a car door.

CLAIM: Press *3370# to access 'reserve battery power.'

False. On some Nokia phones, users can punch in special codes and toggle between speech codec modes to 1) enhance voice transmission quality at the cost of diminished battery performance, or 2) enhance battery performance by decreasing voice quality. Apparently, some users have misconstrued the latter as "tapping into reserve battery power." On that score the email is doubly erroneous because *3370# is the code for enhancing voice quality, so using it actually decreases battery life!

CLAIM: Press *#06# to disable a stolen cell phone.

Not exactly. On some cell phone models, but not all, pressing *#06# will cause the phone's 15-digit International Mobile Equipment Identity to be displayed. Some service providers, but not all, can use that information to deactivate the handset. In any case, it isn't necessary to supply an IMEI number to cancel your cellular account in the event of theft; simply call your provider, give them the appropriate account information, and tell them the phone was stolen.

CLAIM: Make 411 calls on your cell phone without charge by dialing (800) FREE 411.

Basically true (see previous commentary on Free 411), though cell phone users may still incur a charge for minutes used, depending on the specifics of their plan.

How should you converse on the phone with a stranger?

Carefully.

Refuse to give information about where you live, yourself (not even your first name), your home, your family, age, your finances, your job, or any other information they could use against you or your family or friends.

What is call drop in GSM?

Call drops in GSM network can be caused by the following:

i) Equipment: GSM radios/Combiners can be a cause of this, solution to this is replacement of the unit. A Mobile Station(phone) can also be a cause.

ii) VSWR (voltage wave standing ratio): VSWR caused by poor connections on feeders, water penetration, fault on antenna etc

iii) Transmission problem: If transmission is not perfect, high B.E.R (Bit error ratio) or other factors causing inaccuracy of transmission.

iv) Interference: when there's frequency interfere (either co-channel or adjacent interference).

v) Hand-over: if hand-over between two sectors is not well defined.

What is joejonas' cell phone number?

get a clue. no one knows it except a few of his close friends. and. they wont give it out. :)well i hate his friends or bffs

Where can you download gba emulator for mobile phone?

There is no existing GBA emulator for mobile phones.

Whoever told you was probably lying, showing you a video of footage of a game, or using a mobiel version of a gba game.

What does pft mean when texting?

  • It doesn't stand for anything it's a sound people make like if you said lets go out, i would be like pft, no! it's liek a yeah right, kind of sound!

What should you do if your ex-boyfriend who cheated on you leaves voice messages on your cell phone for you not to call or text him?

Dont call him or talk to him. Move on with tour life it does not revolve around him. Cut off all contact or you will eventually be back where you started.

What is the Untraceable Cell Phone in Mafia Wars for?

You'll at least need several for the Capo level jobs: Flip a Snitch and Dodge an FBI Tail.

Its needed for jobs on CAPO and Consigliere level

Capo:

Flip a Snitch: 1 Untraceable Cell Phone

Dodge an FBI Tail: 1 Untraceable Cell Phone

Consigliere:

Ransom a Businessman's Kid:1 Untraceable Cell Phone

Underboss:

Order a Hit on a Public Official: 1 Untraceable Cell Phone

And I'm not sure about boss: I haven't unlocked it yet :)

YOU NEED:

New York Mastery: 333

Cuba Mastery: 79

Moscow Mastery: 62 (Avtoritet Mafiya route only)

Bangkok Mastery: 44

What does swd mean in texting?

Swd stands for "So watcha doing" in texting. When somebody asks you "SWD" they are usually asking you what are you doing.

What does DRFU stand for?

It is a functional card that sits in a BTS (A base transceiver station - a piece of equipment that facilitates wireless communication between user equipment and a network) and uses a Microwave band as link channel.