Iot-based Smart Irrigation Systems: An

Table 5. Cont.



Group Technology Frequency Bands Max. Data Rate

Wireless Personal Area Networks
IEEE 802.15.1—Bluetooth 2400–2483.5 MHz Up to 3 Mbps
BLE (Bluetooth Low-Energy) 2.400–2.4835 GHz Up to 2 Mbps Low Frequency: 125 or 134.2 kHz

RFID
Radio Frequency Identification (RFID)
High Frequency: 13.56 MHz Ultra High Frequency: 868–956 MHz
Microwaves: 2.45
UHF: Up to 640 kbps

Zigbee 868–868.6 MHz, 902–9286 MHz, 2400 MHz Up to 250 kbps

865.2 MHz, 869 MHz, 868.4 MHz, 868.40 MHz, 868.42 MHz, 869.85 MHz,

Mesh Protocols

Z-Wave
Thread
908.4 MHz, 908.42 MHz, 916 MHz, 919.8 MHz, 921.4 MHz, 919–923 MHz,
920–923 MHz, 920–925 MHz, 922–926 MHz
Global: 2400–2500 MHz America, Australia: 902–928 MHz
Europe: 868–868.6 MHz,
Up to 100 kbps
Up to 250 kbps

WiFi
IEEE 802.11a 5725–5875 MHz Up to 54 Mbps

IEEE 802.11b 2400–2500 MHz Up to 11 Mbps

IEEE 802.11g 2400–2500 MHz Up to 54 Mbps

IEEE 802.11n 2400–2500 MHz, 5725–5875 MHz Up to 600 Mbps

IEEE 802.1ac 2400–2500 MHz, 5725–5875 MHz Up to 3.46 Gbps AH All Countries: 2400–2500 MHz, 5725–5875 MHz
AH Europe: 863–868 MHz AH USA: 902–928 MHz

IEEE 802.11ah
AH China:755–787 MHz AH Japan: 916.5–927.5 MHz AH Korea: 917.5–923.5 MHz
AH Singapore: 866–869 MHz, 920–925 MHz
Up to 40 Mbps

Table 5. Cont.