It feeds into a small computer with a video-input card that in turn sends the digitized signal via phone line to Deits' server.

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It's a signal that tells you when small-company stocks are particularly good buys.

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Alcatel, however, will use a small radio transmitter concealed in the battery cover of the phone to transmit a coded low-power signal to the belt clip to tell it when to vibrate, a company spokesperson said after the press conference.

CNN: Technology - Alcatel personalizes vibrating phone alerts