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16.12.11

History of Cordless Phones

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Phones have been the center point of means of transportation for many years. Phone was invented by Alexander Graham Bell after a lot of trial and error in 1870. Invention of the phone, as it is called today, began with transmitting speech electrically. Telegraph and telephone are both wire based electronic systems. Telephone was a supervene of efforts by Mr. Bell to perfect the telegraph. This was in great ask as vocal transportation was possible between two individuals. It was an unheard phenomenon and citizen criticized it as much as they approved it.

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By : WIFI BABY


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WiFi Baby features the world's only "plug and play" WiFi Baby video monitor. It's a small, sleek, stand alone camera that your WiFi Network recognizes just like your own computer: Plug it in, set the password, and in just minutes feel secure watching your baby with video and sound on your PC, Mac, iPad or iPhone. The WiFi Baby 3G is both a camera and a computer; its advanced system creates a password-protected wireless internet connection to any compatible device in a home WiFi network. Unlike a stationary webcam, the WiFi Baby 3G does not require a physical connection to a computer and its compact design allows it to be easily mounted on the wall, ceiling or anywhere near an electrical outlet. While the technology of the WiFi Baby 3G is advanced, the set up process is simple. The included software and dedicated iPhone and iPad apps were designed with the busy lives of parents in mind. No technical background is needed. Besides a crisp color picture and sound, the WiFi Baby 3G also offers night vision, motion detection, and an on-screen clock to assure parents they are watching a current video stream. In addition to the WiFi Baby 3G's main purpose as a baby monitor, it also has advanced features. With a few adjustments, it can work with a wireless router to allow viewing outside of the user's home by PC, Mac, iPhone or iPad. This allows the WiFi Baby 3G to be used as a Nanny Cam or a home security camera once users outgrow the need for a baby monitor. There are no monthly fees for remote internet access.

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WiFi Baby 3G Video Monitor - Black



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Phones were a large and stationary piece of equipment and were able to retell only between specified groups of individuals. Since then, phones have been improvised upon and made to look attractive, sleek and are a handy device. Engineers made use of lighter and durable materials in an endeavor to make phones transported and efficient. By 1950s, phones had become quite efficient and were not so cumbersome any more.

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A lady named Teri Pall invented the cordless phone in 1965. She was a jazz singer by profession and came up with an idea to eliminate the wiring and make the handset wire free. Such a cordless phone functioned at a low frequency of 47-49 Mhz and worked well only in small areas. Developed versions of higher frequency cordless phones are capable of functioning flawlessly in large spaces. Efficiency of high frequency phones is excellent to that of low frequency phones with good security as it became difficult to interfere into calls.

History of Cordless Phones

Federal Communications Commission or the Fcc granted permission to clubs to make 900 Mhz frequency phones only by 1994. This move by the government triggered an upsurge in the ask for cordless phones. Frequency of 900 Mhz was ideal to scrap out static caused by walls, appliances and interference in signals by other objects. They in case,granted high quality sound output but were still prone to eavesdropping. In order to tighten security, Fcc allowed manufacturers to make phones with frequencies of 2.4 Ghz and 5.8 Ghz.

These are secured cordless phones and cannot be interrupted by any radio scanner. High end cordless phones evolved primarily retention in mind the confidentiality of conversations.

History of Cordless Phones No URL

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