Bluetooth module is a PCBA board which integrated Bluetooth functions. Bluetooth module can be used in short-distance wireless communication, which can be divided into the Bluetooth module and Bluetooth voice module according to its usage.

Bluetooth module is a basic circuit set of chip which integrated Bluetooth functions and which can be used in wireless network transmission. Generally, the Bluetooth module can be divided into the following types: data transmission module, remote control module, etc. Usually, modules are the semi-finished products, which are processed on the basis of chips to make the next application easier.

Attention should be paid when using Bluetooth module

Slow transmission speed: Compared to other wireless technologies such as WiFi, Bluetooth has a slower transmission speed. This is especially noticeable when transferring large files or high-definition videos, which may lead to stuttering during the transfer process.

Short transmission distance: The transmission distance of Bluetooth modules is relatively short, generally within 10 meters, which limits its use in application scenarios that require long-distance communication.

Unified specifications: Due to the continuous upgrading and changes of Bluetooth technology, the specifications of different versions of Bluetooth modules are not unified. This increases the difficulty for manufacturers in terms of equipment compatibility and selection, and may also cause consumers to encounter difficulties during use.

Security issues: Bluetooth technology itself is vulnerable to hacking and has security risks. Therefore, when using a Bluetooth module for wireless transmission, a series of protective measures need to be taken to ensure data security.

Device-dependent support: The wireless transmission function of the Bluetooth module depends on the Bluetooth support of the device. If the device does not support Bluetooth or the Bluetooth version is not compatible, wireless transmission cannot be achieved. This limits the use of Bluetooth modules on older devices or specific devices, and may require users to upgrade or replace their devices.

What module can replace the Bluetooth module

If you don't use a Bluetooth module, there are many other modules in the IoT field that can be selected to meet different application needs. Here are some common IoT modules and their features:

Wi-Fi module:
Features: With wireless network connection function, it can connect to other devices or cloud platforms through local area network or Internet. It is suitable for IoT applications that require wireless connectivity and high-speed data transmission.
Applications: Smart home, smart city, industrial automation and other fields, to achieve remote communication and data transmission between devices.

LoRa module:

Features: Adopting the LoRaWAN protocol, it provides a long-distance, low-power wireless communication solution. It is suitable for wide-area IoT applications and has the advantages of wide coverage, low cost, and low power consumption.
Applications: Smart cities, smart agriculture, environmental monitoring, etc., to achieve remote data collection and transmission.

What is PUSR's LoRa module that I can contact sales for details（Email : inquiry@usriot.com）

NB-IoT module:
Features: A cellular network technology designed for low-power, wide-coverage IoT applications. It provides wide-area coverage, low power consumption, and high reliability, and is suitable for outdoor long-distance communication IoT applications.
Applications: Smart water meters, smart electricity meters, smart parking, and other fields, enabling remote monitoring and data transmission.