Difference between revisions of "Smartphone Wireless"
From MgmtWiki
(→Context) |
|||
| Line 9: | Line 9: | ||
* IR = Infrared | * IR = Infrared | ||
* Light is even higher, but that is handled by the camera and not radios | * Light is even higher, but that is handled by the camera and not radios | ||
| − | * Exciter = an | + | * Exciter = an antenna that is designed to send energy to a passive RFID tag |
== Existing Bands== | == Existing Bands== | ||
| Line 15: | Line 15: | ||
===RFID=== | ===RFID=== | ||
RF Identifier | RF Identifier | ||
| + | Passive = no battery | ||
| + | Active = has batter and dual antenna | ||
* UHF = 300 MHz to 3 GHz | * UHF = 300 MHz to 3 GHz | ||
* UHF Gen2 = 860 to 960 MHz | * UHF Gen2 = 860 to 960 MHz | ||
| Line 22: | Line 24: | ||
===BLE=== | ===BLE=== | ||
| + | Bluetooth low energy | ||
| + | * Also excited by a stationary antenna that causes the smartphone to respond | ||
| + | * Needs to have an app that responds to the message | ||
| + | |||
==References== | ==References== | ||
[[Category: Glossary]] | [[Category: Glossary]] | ||
Revision as of 18:37, 20 December 2020
Contents
Full Title or Meme
There are a large number of radios on a Smartphone. This wiki looks at those that are not part of the cellular network.
Context
Terminology
- RF = Radio Frequency
- HF = High Frequency
- UHR = Ultra High Frequency
- IR = Infrared
- Light is even higher, but that is handled by the camera and not radios
- Exciter = an antenna that is designed to send energy to a passive RFID tag
Existing Bands
RFID
RF Identifier Passive = no battery Active = has batter and dual antenna
- UHF = 300 MHz to 3 GHz
- UHF Gen2 = 860 to 960 MHz
NFC
Near Field Communications
BLE
Bluetooth low energy
- Also excited by a stationary antenna that causes the smartphone to respond
- Needs to have an app that responds to the message
