Wireless technology firm InterDigital Inc. said it signed a seven-year licensing agreement to provide technology for Apple Inc."s first cell phone, the iPhone. The Pennsylvania-based company did not say how much it expects from the deal but an analyst said he estimated it to be worth about $56 million over the duration of the deal. "They are going to be getting $2 million a quarter for the next seven years," Boenning & Scattergood analyst Michael Ciarmoli said by phone. According to a regulatory filing, InterDigital"s license agreement with Apple covers the current iPhone and certain future mobile phones, if any. "The deal covers various 2G and 3G cellular technologies encompassing bandwidth allocation, roaming and power efficiency controls, and most likely also includes some type of packet data coding and delivery," Ciarmoli said.