Table 6 Bluetooth protocol comparison
From: Building an indoor air quality monitoring system based on the architecture of the Internet of Things
Bluetooth | Comparison | |||
|---|---|---|---|---|
Radio frequency (GHz) | Distance (m) | Delay (ms) | Certification authority | |
Typical bluetooth | 2.4 | 10–100 | 100 | Bluetooth special interest group |
Bluetooth low energy | 2.4 | 30 |  < 6 | Bluetooth special interest group |