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TECSUN

Stylish High Sensitivity Portable Dual Track AM FM Radio

Digg(200) ( 8 Reviews)
       
US $50.69
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· Orders over USD$ 50.00 will get free tracking services via air mail
Do you want to present an AM FM radio to your parents? Just come and take a look. This portable AM/FM radio is made of high quality material, durable and it can last for a long time.High power sound output, this AM/FM radio is a good company for elder person. This radio own tone adjustment button, sound loudly and beautiful. High sensibility make this radio can receive more channel and clear voice. This portable radio has 4inch large scale speaker. This portable radio will fit easily into your shirt or jacket pocket for convenience! This AM FM radio will fit easily into your shirt or jacket pocket! The built-in speaker of this portable radio enables convenient listening anywhere, and the earphone permits private listening enjoyment and improved sound clarity in noisy environments. Just take this stylish radio when you travel. You can pick up your favorite program anywhere!Still don't have an idea about it? Look at the information and pictures below to get a clearer understanding! I'm sure you will want it! Get it now without hesitation! You really deserve to have it! Do not miss this best radio!
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Product Description

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  • Specifications:

    • Power: 4.5V / 3 x D Batteries
    • Tuner: Pointer
    • Color: Black
    • Size: 14 x 22.5 x 6cm/5.5 x 8.7 x 2.4in(H x W X T)
    • Wave Band: 2 Wave Band
    • Track: Dual Track
    • FM : 87.0 - 108.0 MHz
    • AM : 525 - 1610 KHz
    • Noise Limit Sensitivity: FM < 5µV, AM < 1mV/m

    Features:

    • This AM FM radio is of high sensitivity design, so it can save much trouble in daily use
    • High power sound output, it is a good company for elder person
    • This speaker reproduces a wide range of sound from high to low frequencies
    • Tone control switch, allows elder people to adjust high/low balance for most pleasing sound
    • This AM FM radio has an excellent portable radio can be for all-around use, at home and away
    • Best radio coverage includes long wave, continuous coverage of the shortwave bands

    Details:

    TECSUN Stylish High Sensitivity Portable Dual Track AM FM Radio

    • With dual track, this AM FM radio is very convenient and useful

    AM FM Radio

    • Multi functions bring much convenience in daily use for elder people

    Portable Radio

    • Portable FM AM digital radio with advanced technology

    Best Radi

    • This radio with AM and FM you can easy to choose what you want to listen 

    TECSUN Stylish High Sensitivity Portable Dual Track AM FM Radio

    • The full vision of the AM FM radio from behind

    How Does FM Radio Work?

    AM FM Radio

    Sound Waves and Frequency:

    • All sound energy is in the form of a wave. The frequency of a wave is the measurement of the number of cycles that it undergoes in a given time frame. Hertz is a measurement of frequency that depicts the number of wave cycles per second. FM signals are measured in megahertz so an FM signal of 97.5 relates to 97,500,000 waves/second

    Frequency Modulation:

    Transmission:

    • FM actually stands for Frequency Modulation. FM signals use various frequency levels that reproduce the sound of the originating source (i.e. music). You've probably noticed that FM contains all your music channels while AM radio is limited to news and talk programming. This is because frequency modulation allows for the transmission of the greater range of frequencies (high and low sounds) contained within music.
    • FM radio originates at the broadcast source (radio stations). These stations use large antennas to send out their broadcast signal. Electrical charges are pushed up and down the broadcast antenna at a rate that relates to the carrier frequency. The movement of electrical charges creates an electromagnetic field which sends out
      Reception:
    • electromagnetic waves. The waves are sent in all directions. Carrier waves are sent out at a frequency that can be detected by your antenna (the radio station number). They carry sound information that includes the different frequencies of the original broadcast
    • Solder the ferrite loop to the variable capacitor. Only solder the ferrite wire that is painted black. Make sure you are soldering the ferrite loop to the center lead of the variable capacitor
    • Solder the unpainted wire of the ferrite loop to the variable capacitor's right lead
    • Solder the germanium diode to the same right lead of the variable capacitor as the unpainted wire of the ferrite loop. Only connect one end of the germanium diode
    • Solder one end of the piezoelectric wire to the other (free) end of the germanium diode
    • Solder the other end of the piezoelectric wire to the variable capacitor's center lead
    • Take note of the red-painted wire of the ferrite coil. Use an alligator clip to attach it to the antenna wire
    • Use the remaining alligator clip lead to attach the green-painted wire of the ferrite coil to a good ground. You can use a cold water pipe for the ground
    • A radio provides signal transmission via the use of electromagnetic waves. The frequencies a radio uses are lower than those of visible light. A German scientist by the name of Heinrich Hertz was the first to detect and product radio frequencies, in 1888. Radios are still in wide use, even in this internet age.Building a simple FM radio only requires a small amount of time and materials. Although this radio is fully functioning, it isn't very pretty


    Instructions:

    • You've probably noticed, particularly if you listen to FM radio in the car, that eventually you will lose your signal. The simple reason for this is that the short wavelength of FM radio waves cause them to travel in straight lines. The earth, however, is curved. Therefore, as the earth curves, FM waves continue in a straight line into the atmosphere and are no longer receptible. The short waves are also affected by obstacles like mountains

    How to Build an FM Radio?

    Portable Radio

    • The speaker vibrates according to the processed frequencies and pushes air molecules that recreate the original sound waves and pass them to your ears. You hear the music or talk that was sent in the original broadcast. Since electricity works at the speed of light, this process, from broadcast to listener, is instantaneous

    Loss of Signal:

    • The electromagnetic carrier wave travels through the atmosphere until it is picked up by a receiver antenna (i.e. your car radio antenna). At this time the wave causes electrical charges to be pushed up and down your antenna and on into your receiver. The receiver decodes the modulated frequency information and then passes it to the speakers

    Package Included:

    • 1 x AM FM Radio

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  ( 8 Reviews)
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Leon

Bought this item on

12-26-2011

 
Good and Cheap!!!
00:00:00 12-26-2011
This AM FM Radio has low price and high quality. It makes me so happy!
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Kim

Bought this item on

12-22-2011

 
So Fast!
00:00:00 12-22-2011
Fast delivery than I expected! Excellent details make the Portable Radio
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Alen

Bought this item on

12-20-2011

 
high performance
00:00:00 12-20-2011
Quality, price and promptness were great. SO glad I did the order.
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Peter

Bought this item on

12-18-2011

 
very Nice and high performance
00:00:00 12-18-2011
I like buying something through web net store. The price was very reasonable on this online shop. The product is also very good! At the same time it saves me much time!
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Mark

Bought this item on

12-16-2011

 
Good~~so cheap!
00:00:00 12-16-2011
For the price of this product I highly recommended this best radio to anyone.
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Mark Shawn

Bought this item on

12-12-2011

 
Amazing
00:00:00 12-12-2011
May be you would think wacky that young man bought this AM FM Radio. It's a good gift for olds. My grandma use it when he sitting under the tree .Enjoy it !
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Nick Clegg

Bought this item on

12-08-2011

 
Nice
00:00:00 12-08-2011
This portable radio is a great. i use it to listen other country's program. Then ,I find there are many interesting news .hehe .I love it
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Luke Skywalker

Bought this item on

12-06-2011

 
Nice
00:00:00 12-06-2011
I bought a AM FM Radio for my dad,he love it very much ,he feels this stylish radio has loud voice and can carry it to any where
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