MIT Technology Review describes a new Wi-Fi router from Intel capable of sending a Wi-Fi signal tens of miles with 6-Mbps performance. This is perfect for rural areas without Internet service, and for less developed countries interested in building out their Internet infrastructure but no means to lay expensive cable or fiber optics. The routers cost about $500 each, and you need two of them for a point-to-point connection. Quoting: "Intel's RCP platform rewrites the communication rules of Wi-Fi radios. Galinvosky explains that the software creates specific time slots in which each of the two radios listens and talks, so there's no extra data being sent confirming transmissions. 'We're not taking up all the bandwidth waiting for acknowledgments,' he says. Since there is an inherent trade-off between the amount of available bandwidth and the distance that a signal can travel, the more bandwidth is available, the farther a signal can travel."
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