WT12-A-AI55C

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RF Transceiver Modules are the key components that make up the fabric of the global wireless communication infrastructure. They provide the means to receive, transmit, and process signals in order to communicate with other devices and systems. Among them, one of the most commonly used modules is the WT12-A-AI55C. It is a miniature half-duplex digital transceiver module based on the Bluetooth 4.2 standard.

WT12-A-AI55C Application Field

WT12-A-AI55C is a widely used, low-power radio transceiver used for short-range wireless communication. The module is designed to simplify both development and integration into a wide range of devices and systems, suitable for any Bluetooth low energy application, including home automation, healthcare, sports, entertainment, proximity sensing, beacons and more. It is also suitable for connecting Bluetooth-enabled peripherals such as keyboards, mice, headsets, tablets and smartphones.

Its small size makes it an ideal choice for devices requiring a high-transmission range while maintaining a low system cost. Its combination of low power consumption, high communication range, low system cost, and user-friendly operation make it an attractive proposition for both professional and consumer applications.

WT12-A-AI55C Working Principle

The WT12-A-AI55C module operates in a half-duplex mode, which means that it can simultaneously transmit and receive data. The data is transferred using Lightweight Extensible Authentication Protocol (LEAP). This protocol is based on packet format and provides a mechanism for secure, fast, and reliable communication. LEAP takes advantage of the small packet sizes and low power consumption of the Bluetooth Low Energy (BLE) protocol, while being robust enough to use for large data transfers.

In order to achieve the high levels of efficiency and security that BLE provides, the WT12-A-AI55C has been designed with an integrated microcontroller that runs a security protocol software stack. This includes a state machine that processes link connection requests and authentication requests, and a security stack for encrypting and decrypting data. The integrated microcontroller also assists in the configuration of other BLE parameters, such as link layer settings, channel and PHY selection, PHY transmission power control, and more.

The WT12-A-AI55C also includes an antenna that can be used for both transmitting and receiving. The antenna size and design will depend on the application and its environment. The module also includes additional features, such as temperature and humidity sensing, support for a wide range of low-power modes, and an integrated battery management system.

In summary, the WT12-A-AI55C is an ideal solution for enabling device-to-device communication due to its wide range of features, low power consumption, small form factor, and low cost. It can be used for a wide variety of applications, including home automation, healthcare, sports, entertainment, proximity sensing, beacons, and more. Its combination of low power consumption, high communication range, low system cost, and user-friendly operation make it an attractive proposition for both professional and consumer applications.

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