Research Article
Managing Crowds with Wireless and Mobile Technologies
Table 1
Communication protocols of WSNs/RFID.
| Protocol | Range | Devices/Nodes | Power Consumption & Cost | Bandwidth |
| Wi-Fi IEEE-802.11 WLAN (2,3,4G) | 30 m | 128 devices | More power and cost | 10-100 Mb/s | Bluetooth-802.15.1 WPAN | 10 m | 8 devices | Less power and cost | 1 Mb/s | ZigBee-802.15.4 Low Power | 10-70 m | 65000 nodes | Lowest power and cost | 250 kb/s |
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