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TECSUN

Portable AM FM Radio R206

( 8 Reviews)
 
US $26.39
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Why not try to add some fun to your life with this radio? This is an excellent portable satellite radio of all-around use. This portable digital radio will fit easily into your shirt or jacket pocket! Stylish design of this AM FM radio takes up a minimum of space on the nightstand, desk or dresser. Just take this digital AM FM radio when you travel, then you can pick up your favorite program anywhere! Built-in high quality speaker, the pocket AM FM radio can provide you high sound quality, you can clearly hear the voice even do not use earphone. Take this Portable AM FM Radio R206 home now! And enjoy high quality FM programs!

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  • Specifications:

    • Frequency Range: (FM)87-108MHz, (MW)525-1610 kHz
    • Sensitivity: FM is superior to 5μV, AM is superior to 1.5mv/m, SW is superior to 50μV
    • Turning Mode: Indicator
    • Band: Two Wave Band
    • Sound Track: Mono
    • Power: 3V or 2 x D Batteries
    • Output Power: >150mw
    • Size: 120 x 190 x 55mm/4.7 x 7.5 x 2.2in(W x H x T)

    Features:

    • With high technology, this AM FM radio has a higher sensitivity and stability
    • This AM FM radio has a classic look
    • With this AM FM radio, you can enjoy the programs when you are on the go
    • This AM FM radio is made of high quality material, durable and it can last for a long time
    • You can search different programs
    • Earphone can be connected to this AM FM radio 

    Details:

    TECSUN Portable AM FM Radio R206

    • With this portable digital radio, you can enjoy the programs when you are on the go

    TECSUN Portable AM FM Radio R206

    TECSUN Portable AM FM Radio R206

    • The AM FM radio adopts high technology, has a higher sensitivity and stability

    TECSUN Portable AM FM Radio R206

    TECSUN Portable AM FM Radio R206

    • Made of high quality material, the satellite radio is durable and reliable for long time use

    Size in Detail:

    TECSUN Portable AM FM Radio R206

    How Does FM Radio Work?

    TECSUN Portable AM FM Radio R206

    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:

    • 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.

    Transmission:

    • 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
    • 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

    Reception:

    • 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

    Processing and Hearing:

    • 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:

    • 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?

    TECSUN Portable AM FM Radio R206

    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

    • 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

    Package Included:

    • 1 x Portable AM FM Radio

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• If the order has not been shipped; please contact DinoDirect Live Support for order cancellation.You will get your refund within 24 hours.
• If the order has already been shipped; you may return the item to us postmarked within 30 calendar days of delivery. Please contact our Live Support to inform that.
• Please contact Live Chat or click here to learn more return policy.

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