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IrDA

Jest to grupa producentów sprzętu komputerowego, która powstała w 1993. Celem ich powstania było stworzenie systemu bezprzewodowej transmisji w zakresie podczerwieni. IrDA została stworzona jako sieć tymczasowa, do podłączeń komputerów czy innych urządzeń przenośnych. Standard ten charakteryzuje się głównie prostą instalacją, mały pobór mocy, wydajny transfer danych. Standard obsługuje połączenia bezpośrednie – punkt-punkt. Standard IrDA wykorzystuje skupioną wiązkę światła podczerwonego, dlatego też odbiornik i nadajnik muszą się nawzajem widzieć, a kąt padania promienia nie powinien przekraczać 30 °.

Usługi jakie oferuje technologia IrDA to:

  • Połączenie urządzeń przenośnych
  • Transfer plików między urządzeniami
  • Drukowanie
  • Sterowanie bezprzewodowe urządzeniami

IrDA wykorzystuje jeden kanał do transmisji danych. Prędkość wymiany danych to:
IrDA 1.0 - od 9,6 kb/s do 115,2 kb/s; IrDA 1.1 - od 0,57 Mb/s do 4 Mb/s. Należy tutaj podkreślić, że im większa odległość odbiornika od nadajnika, tym mamy do dyspozycji mniejszy transfer danych.

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