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TECSUN Portable Digital AM FM Radio R9710

SKU:A2266000BD

Thanks for visiting! You are viewing a Portable Digital AM FM Radio R9710.This is an excellent portable satellite radio of all-around use. This portable AM FM radio will fit easily into your shirt or jacket pocket for convenience and easy portab...
Retail Price:
USD$ 73.98
Wholesale Price:
 
Wholesale Price
Quantity 2-56-1415-39≥40
Price USD$ 26.53USD$ 25.18USD$ 23.83USD$ 22.04
 
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Specifications:


  • Frequency Range: (FM)87-108MHz, (AW)525-1710kHz, (SW)5090-21.85MHz
  • Noise Limit Sensitivity: FM is superior to 5μV, MW is superior to 1mv/m, SW is superior to 30μV
  • Turning Mode: Indicator
  • Band: Full Wave
  • Sound Track: Stereo
  • Power: DC 3V or 2 x AA Batteries
  • Earphone: D 3.5mm/0.1in
  • Size: 75 x 115 x 29mm/3.0 x 4.5 x 1.1in(W x H x T)

Features:


  • With high technology, this FM AM radio has a higher sensitivity and stability
  • 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
  • Earphone can be connected to this AM FM radio
  • The telescopic antenna together with the manual tuning capability gives you best reception ever
  • This portable digital radio will fit easily into your shirt or jacket pocket for convenience and easy portability
  • Stylish design of this AM FM radio takes up a minimum of space on the nightstand, desk or dresser
  • This an excellent portable handheld radio can be for all-around use, at home and away
  • The AM/FM tuner of this satellite radio lets you choose from the wide range of radio talk shows and music programming
  • The built-in speaker of this portable satellite radio enables convenient listening anywhere, and the earphone jack permits private listening enjoyment and improved sound clarity in noisy environments  

Details:

TECSUN Portable Digital AM FM Radio R9710


  • This is an excellent portable satellite radio can be for all-around use, at home and away

TECSUN Portable Digital AM FM Radio R9710


  • The built-in speaker of this portable satellite radio enables convenient listening anywhere

TECSUN Portable Digital AM FM Radio R9710


  • You can pick up your favorite program anywhere
  • With high technology, this FM AM radio has a higher sensitivity and stability

TECSUN Portable Digital AM FM Radio R9710


  • The telescopic antenna together with the manual tuning capability gives you best reception ever

Size in Detail:

TECSUN Portable Digital AM FM Radio R9710


Transmission and Reception of Radio Waves:


  • The two most common types of modulation used in radio are amplitude modulation (AM) and frequency modulation (FM). Both AM and FM are analog transmission systems, that is, they process sounds into continuously varying patterns of electrical signals which resemble sound waves.
  • Receiving antennas intercept part of this radiation, change it back to the form of electrical signals, and feed it to a receiver. In that system, incoming signals are mixed with a signal from a local oscillator to produce intermediate frequencies (IF) that are equal to the arithmetical sum and difference of the incoming and local frequencies. One of those frequencies is applied to an amplifier.

 Differences Between AM and FM Receivers:


  • In an AM transmission the carrier wave is constant in frequency and varies in amplitude (strength) according to the sounds present at the microphone; in FM the carrier is constant in amplitude and varies in frequency. FM is also used in television sound systems. In both radio and television receivers, once the basic signals have been separated from the carrier wave they are fed to a loudspeaker or a display device (usually a cathode-ray tube), where they are converted into sound and visual images, respectively.

Uses of Radio:


  • Early uses were maritime, for sending telegraphic messages using Morse code between ships and land. The earliest users included the Japanese Navy scouting the Russian fleet during the Battle of Tsushima in 1905. One of the most memorable uses of marine telegraphy was during the sinking of the RMS Titanic in 1912, including communications between operators on the sinking ship and nearby vessels, and communications to shore stations listing the survivors
  • Besides broadcasting, point-to-point broadcasting, including telephone messages and relays of radio programs, became widespread in the 1920s and 1930s. Another use of radio in the pre-war years was the development of detection and locating of aircraft and ships by the use of radar (RAdio Detection And Ranging)
  • Today, radio takes many forms, including wireless networks and mobile communications of all types, as well as radio broadcasting. Before the advent of television, commercial radio broadcasts included not only news and music, but dramas, comedies, variety shows, and many other forms of entertainment. Radio was unique among methods of dramatic presentation in that it used only sound. For more, see radio programming

Package Included:


  • 1 x Radio
  • 1 x Earphone
  • 1 x Protective Case
  • 1 x Antenna