Table 1 Performance comparison of various communication modes.
From: Development of a monitoring system for disassembled towers with internal suspension poles
Communication mode | Main frequency band | Transmission distance | Transmission delay | Power consumption |
|---|---|---|---|---|
Bluetooth | 2.4 GHz | Dozens of meters | Second level | Normal |
Wi-Fi | 2.4 GHz | Hundred meters | Millisecond level | High |
Lora | 470 ~ 510 MHz | Up to 20 km in the suburbs | Second level | Very low |
ZigBee | 2.4 GHz | Up to 2 km in the suburbs | Millisecond level | Low |
