From: Remote temperature monitoring device using a multiple patients-coordinator set design approach
Descriptions | ZigBee | Bluetooth | Wi-Fi |
---|---|---|---|
Applications | Control and monitoring, sensor networks | Wireless connection between devices | Wireless LAN, internet access |
Data rate | 20,40, and 250 kbps | 1 Mbps | 11 and 55 Mbps |
Frequency band | 868 MHz, 900-928 MHz, and 2.4GHz | 2.4GHz | 2.4 and 5 GHz |
Range (meters) | 10-100 | 10 | 50-100 |
Nodes per network | 65,000 | 7 | 30 |
Memory | 32-60 Kb | 100 Kb | 100 Kb |
Topology | Star, tree, and mesh | Tree | Tree |
Complexity | Low | High | High |
Power consumption | Very low | Medium | High |
Standby current | 3 ÎĽA | 200 ÎĽA | 20 ÎĽA |