Qualcomm QCA9531-BL3A

The QCA9531-BL3A from Qualcomm is a powerful network controller chip designed specifically for intelligent routers and advanced networking devices. Operating at a main frequency of 650 MHz, it supports the IEEE 802.11n wireless standard in the 2.4 GHz band while remaining backward compatible with 802.11a/b/g. With a theoretical peak wireless speed of 300 Mbps, the chip enables fast and stable connectivity for multi-user environments. It also integrates USB 2.0 and Mini PCI-E interfaces, allowing seamless expansion to dual-band 5G or LTE modules for broader application flexibility.

Equipped with support for DDR1/DDR2 memory up to 128 MB and featuring a 64 KB instruction cache alongside a 32 KB data cache, the QCA9531-BL3A ensures smooth data handling and system performance. It provides up to five 10/100M adaptive Ethernet ports and additional interfaces including JTAG, SPI, UART, and PCIe 1.1, making it highly versatile for commercial-grade networking solutions. With its optimized RF performance and ability to handle multiple users simultaneously, this chip is widely used in routers and networking equipment that require reliable, high-speed communication and scalability.As a professional Qualcomm distributor, Nantian Electronics stocks a large quantity of QCA9531-BL3A network controller chips. We also provide detailed parameters, datasheets (PDF), and pin diagram instructions for download.If you are interested in purchasing the QCA9531-BL3A, please contact us for a competitive quotation. We welcome your inquiries and orders with reliable supply and professional service.