From the course: CompTIA A+ Core 2 (220-1202) Cert Prep

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Beyond Wi-Fi

Beyond Wi-Fi

From the course: CompTIA A+ Core 2 (220-1202) Cert Prep

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Beyond Wi-Fi

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- 802.11 is certainly the most dominant form of wireless we use today, but there are others. So I want to talk about a couple of these in this episode, in particular, I want to talk about RFID, and I want to talk about Bluetooth. Now, RFID stands for Radio Frequency Identification, RFID. Now, RFID is very, very popular, like in warehouses and things like that. RFID manifests as a tiny little sticker. Now, this sticker is actually a radio, and it stores usually a few hundred bits of information, not a lot, although there are some versions of RFID that store more. Now, what you'll do is you will then take the sticker, and you put it on a box or whatever you want, and then you have these readers. And these readers actually use the radio frequency energy to power up these little tiny stickers. And then the stickers have enough energy to transmit back. So whatever information they have will be transmitted back to the reader and you get whatever you need. So, number of toothpastes in a box,…

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