The RTL87x3, as an Auracast™ Transmitter, supports a variety of audio inputs such as USB, Line-in, SPDIF, and microphone, and can also connect to external audio processors through interfaces like I2S and SPI. While transmitting one or more audio streams for real-time listening by Auracast™ Receivers, it simultaneously broadcasts device names, audio content, and codec configuration information for Auracast™ Assistant devices to view and select.

The RTL8762EMF chip is specifically designed for smart locks, providing Bluetooth data passthrough functionality to enable wireless communication between devices.

Bluetooth dual mode microcontroller  implements a Bluetooth transmitter, which is a device capable of wirelessly transmitting audio or other data to Bluetooth-enabled devices. It can be connected to non-Bluetooth audio sources, such as TVs, computers, or stereo systems, through various interfaces. Utilizing Bluetooth technology, it sends the audio signal to Bluetooth headphones, speakers, or other receiving devices. 

Realtek's single-mode BLE SoC and dual-mode BT SoC platforms provide robust Bluetooth communication capabilities, integrating mainstream display interfaces and image processing engines within the chip. Coupled with a wealth of peripheral interfaces like SPI, I2C, CAN, PWM, and Keyscan, these platforms enable developers to fully unleash their creativity. The comprehensive product family makes it easy for developers to choose suitable and competitive solutions.
The Realtek SDK includes a complete user interface development toolkit, allowing developers to quickly bring their ideas to life. 

The Realtek RTL87x2G integrates USB 2.0 High-Speed and 2.4GHz wireless interfaces within a ‌single-chip architecture,‌ delivering a smooth ‌8K user experience‌ with ‌ultra-low latency‌‌. Additionally, its rich peripheral interfaces such as SPI, QDecoder, Keyscan, I2C, GPIO, and PWM enable developers to add advanced features for product differentiation while maintaining excellent power performance. The chip, combined with the mature and comprehensive Realtek SDK, development documentation, and related tools, allows developers to quickly realize their creative ideas.

The RTL8762CKF/RTL8762DKF-VS are dedicated control chips for smart locks, primarily responsible for connecting and managing various peripheral modules to implement basic lock functions. These low-power, fast-response chips do not support security features like fingerprint recognition and must be paired with a dedicated security chip to form a complete smart lock solution.

Bluetooth dual mode microcontroller  implements a Bluetooth receiver solution is capable of receiving wireless audio or other data from Bluetooth-enabled devices. It can be connected to non-Bluetooth audio output devices, such as car stereos, home theater systems, or headphones. The receiver then converts the received digital signal into analog audio that can be played through the connected output device. It can also be connected to audio processors through interfaces such as I2S/UART/SPI to expand audio signal formats and provide additional transmission interfaces.

As an Auracast™ Assistant, the RTL87x3 supports a variety of interfaces such as I8080, QSPI, etc, enabling flexible connections with various screens for intuitive browsing and control operations. The device will actively scan broadcast packets from surrounding Auracast™ transmitters and display the scanning results in real-time. After the user chooses a target channel, the Auracast™ Receiver will receive and play audio based on the configuration parameters provided by the Auracast™ Assistant.

As an Auracast™ Receiver, the RTL87x3 sets up a connection with the Auracast™ auxiliary device and configures based on the user's selection in the interactive interface, achieving real-time reception and playback of the selected broadcast audio.

Thread Border Routing Solutions: RTL8771GUV and RTL8771HTV
This solution supports Thread RCP products connecting to host devices such as PCs, TVs, speakers, and set-top boxes via USB or UART interfaces. Combined with the host-side Thread protocol stack and Wi-Fi/Ethernet functionality, it implements Thread Border Router functionality for cross-network communication.
Matter over Thread Device Solutions: RTL8777GKF and RTL8772GWP
This solution is suitable for Matter over Thread end devices and can be integrated into home and industrial control products, such as washing machines, air conditioners, sockets, switches, lighting, door locks, and curtains.
Thread Border Routing SoC Solutions: RTL8772GWP
This chip is not only suitable for Thread end devices but can also be used to build Thread border routers, providing a complete SoC solution without relying on host devices such as PCs, TVs, speakers, and set-top boxes. 

RTL8762 series not only supports standard SIG Mesh based on ADV communication, but also supports multi-master and multi-slave connection, which can build private Mesh internet based on GATT connection, to actualize the device's AD hoc network function. These two Mesh technologies complement each other and each has its own strengths.

RTL8772GWF & RTL8762GKH are Bluetooth SoC Solutions optimized for smart locks.
RTL8772GWF features a Real-M300V 125MHz MCU (Cortex-M55 compatible) with ample SRAM resources to support fingerprint algorithm processing. It integrates hardware-level security mechanisms like Trust Zone and has obtained PSA-L2 certification, providing financial grade security for smart door lock applications. The QFN88 package offers up to 56 general purpose GPIOs, supporting rich peripheral interfaces through pin multiplexing, making it suitable as a single-chip solution for smart door locks.
RTL8762GKH also provides sufficient computing power for fingerprint algorithms while maintaining PSA-L2 security level. Its compact QFN48 package is designed for main control solutions requiring fewer peripheral interfaces.
Realtek partners with financial grade security solution providers to deliver complete security solutions from chip to system level, accelerating smart door lock product development and deployment.

Realtek offers flexible HMI system solutions with mature and stable UI designs and efficient integration technologies, helping a wide range of clients to quickly complete technology selection and enter the rapid development and acceptance phase based on their specific needs.
For gateway devices, Realtek provides cost-effective dual-frequency solutions, ensuring 100% uptime for gateway devices such as 15.4/BLE Mesh, reducing the probability of event loss. For clients with high QoS requirements, Realtek offers Ethernet interfaces to ensure more stable communication between long-distance nodes. CAN and other interface technologies provide integrated advantages for industrial users and vehicle application scenarios.
Realtek has integrated a series of mature SDKs including Wi-Fi, LWIP, Thread, Matter, Classic Bluetooth, and BLE Mesh. In terms of UI support, Realtek offers several UI engines such as Honey GUI, RVD (Realtek Visual Designer), and LVGL (Light and Versatile Graphics Library) to meet different design requirements according to client needs.

For Apple Find My tag, Gsensor and buzzer are two essential peripheral components. The typical architecture diagram is as follows:

Realtek smart watch solution based on RTL8773E uses a single BT SoC as the main controller. It connects to peripherals via interfaces such as SPIC, I2C, SPI, GPIO, I8080, MIC, and DAC, and connects to phones via Bluetooth to create a highly integrated smart watch solution.
Realtek provides reference designs, SDK, and toolchains, characterized by high integration and ease of development.

The main control MCU in the product extends physical communication interfaces such as UART, SPI, I2C, and USB to connect with the Realtek solution, enabling Bluetooth data passthrough functionality.

Bluetooth dual mode microcontroller  implements a Bluetooth transceiver is a solution that integrates both Bluetooth transmitter and receiver functionalities. It allows bidirectional communication between Bluetooth-enabled devices by wirelessly transmitting and receiving data. The solution utilizes two RTL8763E chips, one for transmitting and one for receiving, and communicates through the SPI interface to establish and maintain Bluetooth connections. Additionally, it can also be used with a main processor over the UART interface, making it versatile for various applications like wireless audio streaming, data transfer between devices, and remote control capabilities.