Reuters - Arun Sarin, the chief executive who safeguarded Vodafone's dominance among mobile operators by expanding into emerging markets, announced his departure on Tuesday, saying he had achieved all he had set out to do.

Reuters - Israel's Altair Semiconductor, which develops chips for fourth generation (4G) mobile services, said on Tuesday it will supply the chipsets for wireless devices operating on Willcom Inc's Personal Handyphone System in Japan.

Reuters - Canada's government launched an auction of wireless spectrum on Tuesday that it hopes will bolster competition and lower prices by allowing new players to break into the cellular phone market.

AFP - Mobile phone giant Vodafone announced Tuesday the surprise exit of chief executive Arun Sarin, who will quit on a high note after five years in charge as the group returned to profit.

AFP - China plans to create three telecom giants as it seeks to bring balance back to an industry where mobile operators have seen the fastest growth by far, the government and state press said on Tuesday.

AFP - Mobile phone giant Vodafone unveiled a 5.7-percent rise in operating profits on Tuesday and announced that chief executive Arun Sarin would step down at the end of July.

Reuters - Microsoft said on Tuesday it expects global unit sales of its Windows Mobile software for cellphones to grow at least 50 percent per year in fiscal years 2008 and 2009.

Reuters - Reliance Communications , India's No.2 mobile operator, has started exclusive talks with South Africa's MTN Group that could create a $63 billion telecoms giant, knocking shares in both companies down sharply.

Reuters - LG Electronics (066570.KS), the world's No.4 handset maker, is closely watching rival Nokia (NOK1V.HE) amid talk the top-ranked mobile phone maker may cut its prices and re-enter the South Korean market later this year.