DoCoMo, AT&T partner to build 3G network in Hawaii

Japan's NTT DoCoMo Inc. (9437.T) and Atlanta-based AT&T Inc.'s (NYSE:T - news) wireless unit will work together to build a high-speed mobile network throughout Hawaii, catering to Japanese tourists.

DoCoMo, Japan's biggest mobile phone operator, would provide AT&T technical and financial support worth up to $24 million to build a third-generation mobile network based on W-CDMA technology, DoCoMo said on Thursday.

DoCoMo eyes growing roaming revenues from mobile phone users taking their phones abroad. Its shares closed up 0.5 percent at 185,000 yen, while home rivals KDDI Corp. (9433.T) fell 0.2 percent and Softbank Corp. (9984.T) fell 0.7 percent.

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Casio, DoCoMo form electronic payment venture

Casio Computer Co. (6952.T) and NTT DoCoMo Inc. (9437.T) will form a joint venture to link cash registers with wireless electronic payment systems, the two Japanese companies said on Tuesday.

The firms aim to provide services and equipments for businesses hoping to attract shoppers using their mobile phones to pay for snacks and concert tickets.

The joint venture will be established on July 9 and begin providing services on September 1, the companies said in a press release.

Casio will own 60 percent of the venture, which would be capitalized at 750 million yen ($6.13 million), while DoCoMo will hold the remaining 40 percent.

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