In recent years, the diversity of Bluetooth applications in the Indian market has continued to expand, making it a key bridge between end users and the digital ecosystem.

At the 2025 Convergence India Expo, Realtek showcased a range of Bluetooth solutions, including BLE Audio Sharing and HID Receiver solutions, Find My tag/card solutions, ESL (Electronic Shelf Label), and dashboard solutions, fully demonstrating its technical strength and strategic presence in the field of wireless communication.

BLE Audio Sharing and HID Receiver Solutions: RTL8763EAU (Dongle) / RTL8762G (HID) / RTL8763E (Earbuds)

Realtek offers comprehensive and efficient solutions for BLE audio sharing and HID applications, helping customers quickly adopt next-generation wireless audio and peripheral technologies. For HID and Auracast transmitters, Realtek introduces the RTL8763EAU HID Dongle, which not only supports standard HID functions but also includes Auracast TX capabilities to meet diverse application needs. The accompanying RTL8762G solution provides three operating modes—BLE, 2.4GHz, and USB HS—and supports USB and wireless reporting rates up to 8K, ensuring fast and stable data transmission.

In addition, Realtek offers a complete Auracast Audio Sharing SDK, enabling developers to easily configure and integrate the solution. On the receiver side, the RTL8763E and RTL8773D LEA series are specially designed for LE Audio, delivering excellent audio performance with low power consumption. These solutions are particularly well-suited for applications such as PCs, TVs, and docking stations. By integrating both HID and Auracast features, Realtek's solutions provide customers with a high-performance, reliable wireless connectivity experience.

Bluetooth Smart Dashboard Solution – RTL 8773 Series

With the rapid advancement of Smart Mobility technologies, modern vehicles have evolved beyond mere transportation tools into high-tech platforms that integrate intelligent connectivity and multimedia entertainment. To meet the market demand for high-performance in-vehicle displays and wireless audio, Realtek showcased its BEE RTL8773E series at the Convergence India Expo, presenting its latest Bluetooth Smart Dashboard Solution. The exhibition attracted significant attention from professionals in automotive electronics and smart driving fields.

The featured RTL8773E series supports Bluetooth 5.4 dual-mode, enabling A2DP high-quality audio streaming and LE Audio, offering lower power consumption and more efficient wireless audio transmission. It includes a built-in QSPI interface, supporting 3 to 7-inch display modules, and integrates a Real-M300 (ARM Cortex-M55) at 100MHz and Cadence DSP at 200MHz, along with 800KB of SRAM to ensure smooth image and audio processing. Additionally, the RTL8773E series incorporates CAN Bus communication protocol and supports a 2.5D graphics acceleration engine (PPE2.0), enhancing both real-time information delivery and visual performance for drivers.

Electronic Shelf Label (ESL) Solution: RTL8762E Series

With the rapid development of digital retail and smart store technologies, Electronic Shelf Label (ESL) solutions are gaining increasing attention in the Indian market. Realtek's RTL8762E is specifically designed for ESL applications, featuring ultra-low power consumption and supporting dual-mode 2.4GHz proprietary protocol and Bluetooth Low Energy (BLE). It is compatible with BLE 5.2 and 2.4GHz proprietary protocols, offering flexibility to meet various application needs. The solution is built on a Cortex-M0+ core running at 40MHz, paired with 104KB of SRAM, delivering stable and efficient computing performance. It is particularly well-suited for 2.4GHz ESL applications in both European and emerging markets, including India.

The RTL8762E offers excellent battery performance, enabling ESL products to achieve battery life exceeding 7 years, significantly reducing maintenance costs and improving deployment efficiency. The upgraded version, RTL8752H, is further optimized for extended battery life, consuming less than 1.4μA in DLPS mode and under 14μA in broadcast mode, providing customers with a long-lasting and reliable low-power wireless solution.

Find My Device Solutions : RTL 8752 / RTL8762 Series

Realtek's RTL8752 and RTL8762 series are designed for Find My Device solutions, supporting the Apple Find My protocol to help users achieve precise location tracking and lost device recovery. This series features low-power Bluetooth microcontrollers (BLE MCUs) with a battery life of up to 6 months, meeting the demands of long-term operation. The compact QFN24 package, measuring just 3mm x 4mm, makes these chips especially suitable for space-constrained portable devices.

In addition, the products support LED blinking and sound alerts, further enhancing the ease of locating devices. These solutions are ideal for wearable devices, personal asset trackers, and smart accessories, offering an efficient and reliable Find My Device-compatible tracking solution.

In this exhibition, Realtek also showcased solutions developed in collaboration with its Indian partners, demonstrating its commitment and influence in promoting Bluetooth technology in the Indian market. Indian company Unisem Electronics adopted Realtek's Bluetooth solution RTL8762CMF-VI-CG to develop modules applicable to automotive instrument clusters and in-vehicle infotainment systems, meeting the automotive market's demands for high stability and low power consumption. Meanwhile, Melange Systems utilized Realtek's Bluetooth solutions—RTL8762EMF-VS-CG, RTL8763ESE-CG, and RTL8762EGF-CG—to launch IoT modules for smart home devices as well as modules for automotive applications, showcasing the high flexibility and integration capabilities of Realtek's Bluetooth solutions across diverse use cases.

In response to the growing demand in the Indian market, Realtek will continue to drive technological innovation and work closely with partners to deliver high-performance, low-power, and easily integrable all-in-one Bluetooth wireless connectivity solutions—accelerating the development of smart Bluetooth-enabled lifestyles.