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Can I build/buy a device or something that emits a radio frequency of 1700 megahertz to mimic the frequency given off by a cell phone? - Quora
![RFS - Radio Frequency Systems on Twitter: "RFS announces it has worked with mobile operators in Norway to successfully break the in-tunnel world record download speed of 560mbps as part of the RFS - Radio Frequency Systems on Twitter: "RFS announces it has worked with mobile operators in Norway to successfully break the in-tunnel world record download speed of 560mbps as part of the](https://pbs.twimg.com/media/DrfsHfoXQAAeyn9.jpg)
RFS - Radio Frequency Systems on Twitter: "RFS announces it has worked with mobile operators in Norway to successfully break the in-tunnel world record download speed of 560mbps as part of the
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