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The Um physical layer is defined in the GSM 05.xx series of specifications, with the introduction and overview in GSM 05.01. For most channels, Um L1 transmits and receives 184-bit control frames or 260-bit vocoder frames over the radio interface in 148-bit bursts with one burst per timeslot.
UTStarcom Holdings Corp. (UT斯达康) is a Chinese global telecom infrastructure provider headquartered in Beijing. [ 1 ] [ 2 ] [ 3 ] The company develops and supplies a broad range of telecommunication devices to communications service providers and network operators including fixed and mobile network operators , as well as to enterprises.
Ghana was one of the first countries in Africa to connect to the Internet. [5] With an average household download speed of 5.8 Mbit/s Ghana had the third fastest speed on the African continent and the 110th fastest out of 188 countries worldwide in February 2014. [10] In 2009 the number of Internet users stood at 1.3 million, 93rd in the world. [1]
The Zune 80 and Zune 120 are portable media players developed by Microsoft in its Zune series of media players. The Zune 80 was announced on October 2, 2007 and was released on November 13, 2007. [1] It, along with the Zune 4, 8, and 16, is part of the second generation of Zune devices.
Metcalfe subsequently co-founded 3Com in 1979. [1] The other co-founders were Metcalfe's college friend Howard Charney and two others. [1] Bill Krause joined as President in 1981 and became CEO in 1982 and led 3Com until 1992 when he retired. 3Com began making Ethernet adapter cards for many early 1980s computer systems, including the DEC LSI-11, DEC VAX-11, Sun-2 and the IBM PC.
Cyber fraud has been a major issue in Ghana like most developing countries in the world. A Kenyan IT firm report that Ghana lost over $50 million due to cyber fraud, this was projected to increase to around $100 million in 2018. [17] Several Ghanaians and foreigners have also been arrested for crimes relating to cyber fraud. [18]
The Ghana Club 100 is a yearly official list of the top 100 companies in Ghana. The compilation was first done in 1998 by the Ghana Investment Promotion Centre (GIPC) with the aim of recognition of the top 100 companies and to encourage competition and improvement of company products and services in the country. [ 1 ]
Location of Ghana. Ghana is a unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic Ocean, in the subregion of West Africa.A multicultural nation, Ghana has a population of approximately 27 million, spanning a variety of ethnic, linguistic and religious groups. [1]