Among the low-power wireless communication technologies, WMN (Wireless Mesh Network) and Bluetooth technology are two different technologies, and each has its advantages and disadvantages in specific scenarios. The following is a comparison between WMN and Bluetooth technology in low-power wireless communication:
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Communication range:
WMN: WMN is generally a wireless network structure for large-scale coverage, which can cover a wider area.
Bluetooth technology: Bluetooth technology is generally suitable for short-range communication, and the communication range is relatively small.

Energy consumption:
WMN: WMN may need to use more devices to build a network, so the overall energy consumption may be relatively high.
Bluetooth technology: Bluetooth technology has low energy consumption for short-range communication and is suitable for connecting a small number of devices.

Device complexity:
WMN: WMN usually requires more complex equipment and network architecture to realize functions such as self-organization and automatic routing.
Bluetooth technology: Bluetooth technology is generally relatively simple, and it is easy to realize point-to-point communication between devices.

Number of connections:
WMN: WMN can support the connection of more devices and is suitable for connecting a large number of terminal devices.
Bluetooth technology: Bluetooth technology may have a limited number of connections and is suitable for connecting a small number of devices.

Network topology:
WMN: WMN usually adopts a mesh topology, which has certain redundancy and fault tolerance.
Bluetooth technology: Bluetooth technology is usually a star or point-to-point connection, which is simpler but may lack redundancy.

Application scenario:
WMN: WMN is suitable for large-scale wireless coverage in cities or regions, such as urban Wi-Fi networks.
Bluetooth technology: Bluetooth technology is suitable for near-field communication, such as connecting a smartphone with peripheral devices.

Data transfer rate:
WMN: WMN usually has a high data transmission rate and is suitable for scenarios that require large amounts of data transmission.
Bluetooth technology: Bluetooth technology has a lower data transfer rate and is suitable for transferring smaller amounts of data.

In general, WMN and Bluetooth technology have different characteristics and applicable scenarios in low-power wireless communication. Which technology to choose depends on specific application requirements, such as communication range, number of devices, power requirements, and data transfer rates.