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I am student and I want to realize a wireless optical link in order to have a throughput of 100Mbps max and the distance between the emitter and the receiver is about few centimeters. I have made my research in the Internet for two weeks, I found IrDA products. this lead was dispaponting because in theory IrDA technology could attain 96mbps (UFIR protocol), but I found no product having this throughput. laser products are too expensive and they are used for big range (kilometers). I found also the LIFI technology but there is no product responding to my outcome. I realized that I can use simple LED (the cost is lower) with modulation, while I was searching in this forum, I found an interesting answer : Using a LED to transmit data so we can use leds to transmet data with 160mbps and the range is about few centimeters, The problem is I have to use lens and to package them with the emitter and receiver, I wonder why there is no product (not too expensive) ,using led ,I can buy having these characteristics.

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arouak
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  • LIFI seems to top at 96 Mbit/s (presently) according to Wikipedia. So assuming you could buy this stuff and interference were not an issue you could do the classic https://en.wikipedia.org/wiki/Link_aggregation with multiple (probably just two) interfaces to achieve 160 Mbit/s. – Fizz Oct 28 '15 at 14:39
  • Your requirements are pretty steep! What are you trying to achieve? – Nick Johnson Oct 28 '15 at 14:42
  • thanks for your answers ^^ I want to achieve a LED-FSO system with 100mbps max and short range (few centimeters) concretely, the system contains one emitter and a lot of receivers, the emitter moves in front of each receiver to transfer data – arouak Oct 29 '15 at 13:38
  • The answer is most likely one of "supply vs demand." If the demand is low, the price will be high, if available, or not available at all. – Guill Oct 29 '15 at 19:10
  • yes I agree with you Guill – arouak Oct 30 '15 at 08:42

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