QCA9882: The powerful engine of wireless LAN

The QCA9882, the wireless LAN system-on-chip from Qualcomm Atheros, is more than just an ordinary chip. It is the powerful heart of 5GHz 802.11ac or 2.4/5GHz 802.11n WLAN applications. This highly integrated wireless LAN system-on-chip (SoC) integrates an onboard CPU on a single chip for the low-level setup of the wireless LAN physical layer (PHY) and RF. This not only reduces the burden on the host processor, but also greatly improves performance and efficiency.

Powerful functions of QCA9882

The power of QCA9882 is not only reflected in its high performance. It supports the latest wireless LAN standards such as IEEE 802.11ac and is backward compatible with earlier standards such as IEEE 802.11a/n. This means it connects seamlessly with a variety of devices, regardless of which standard they use.

In addition, QCA9882 also has excellent data transmission capabilities. Its 2x2 MIMO technology can deliver up to 867Mbps throughput, meaning whether it's HD video streaming, large file transfers or online gaming, it can handle it with ease. It also supports technologies such as spatial multiplexing, cyclic delay diversity (CDD), low density parity check (LDPC), maximum ratio combining (MRC) and space-time block coding (STBC), which further improves its performance and reliability

Design considerations and integration

When designing the QCA9882, engineers considered not only performance but also ease of integration and use. The chip features an integrated single-ended RF port that simplifies board design and layout, meaning it can be connected to various external components more easily. In addition, it integrates a 1.2V switching regulator, further simplifying system design.

Security and Reliability

In the world of wireless LANs, security is always an important issue. The QCA9882 complies with the IEEE 802.11ac standard and is backward compatible with IEEE 802.11a/n. It also supports IEEE 802.11d, e, h, i, k, r, v and w standards, which means it can provide comprehensive security protection, including data encryption, authentication and access control.

Dynamic Frequency Selection (DFS) is another important feature. Within certain frequency ranges, the QCA9882 is able to automatically detect and avoid interference, ensuring stable connections and data transmission. This not only improves performance but also helps ensure network security and reliability.

In general, QCA9882 is a powerful, easy-to-integrate, safe and reliable wireless LAN system chip. Whether in the home, office, or a variety of other application scenarios, it delivers superior performance and reliability. By using QCA9882, you can easily build an efficient and secure wireless LAN system to meet various complex needs.

DR882--QCA9882 CHIP

• Featuring with industrial-grade Atheros’s QCA9882 chipset

• Integrated with 2x 2 5G high power Radio Card

• 4.940GHz to 5.825GHz Frequency Range

• 2 x 5G MMCX Connectors

• 20MHz/40MHz/80MHz Bandwidth

• Support 802. 11AC/AN

• RoHS compliance ensure a high level protection of human health and the environment from risks that can be posed by chemicals  

原文地址：https://blog.csdn.net/Wallytech/article/details/135618444

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