QCA-6421-0-135BD-SR-01-0 Wi-Fi/Bluetooth Combo IC, SR Package

QCA-6421-0-135BD-SR-01-0 Overview

The QCA-6421-0-135BD-SR-01-0 is a wireless combo device from the Qualcomm Atheros family. It integrates Wi?Fi and Bluetooth functions into a compact solution intended for embedded networking designs. The module targets designers who need a higher level of integration and fewer external components compared with discrete parts. It offers dual?band Wi?Fi support and integrated Bluetooth connectivity, reducing bill?of?materials and board area. For datasheets, sourcing, and manufacturer support see IC Manufacturer.

QCA-6421-0-135BD-SR-01-0 Technical Specifications

QCA-6421-0-135BD-SR-01-0 Key Features

• Integrated Wi?Fi and Bluetooth: reduces PCB area and component count compared with separate chips.
• Dual?band capability: supports both 2.4 GHz and 5 GHz operation to achieve more reliable links in congested environments.
• Integrated RF front?end and mixed?signal blocks: simplifies RF design and improves repeatability across production runs.
• Designed for embedded use: module form factor and common host interfaces ease integration into existing board designs.

QCA-6421-0-135BD-SR-01-0 Advantages vs Typical Alternatives

The integrated approach delivers fewer external components, smaller board area, and faster time?to?market compared with discrete Wi?Fi plus Bluetooth solutions. It typically offers more consistent RF performance across units and lower engineering effort. For sourcing teams, the module form often means simpler certification paths versus custom RF board designs.

Typical Applications

• Embedded gateways and home routers where dual?band Wi?Fi plus Bluetooth reduce BOM and enable compact reference designs for consumer connectivity.
• Smart home hubs and media streamers requiring simultaneous 2.4 GHz and 5 GHz Wi?Fi links with Bluetooth for peripheral pairing and control interfaces.
• Industrial wireless gateways and IoT edge devices that demand reliable wireless links, simplified RF design, and predictable production?level performance.
• Connected medical and commercial devices that benefit from integrated wireless stacks to reduce development time and minimize PCB complexity.

QCA-6421-0-135BD-SR-01-0 Brand Info

Qualcomm Atheros, part of Qualcomm, supplies high?performance wireless silicon and modules. The QCA family focuses on integrated Wi?Fi and Bluetooth solutions for OEMs and module makers. Expect broad ecosystem support, firmware resources, and third?party module vendors to accelerate product development.

FAQ

What interfaces does it support?

Interface options vary by specific module variant. Common host interfaces in the QCA family include standard options used for embedded wireless devices. Always consult the official datasheet for the exact supported host interface on this part number.

Is dual?band Wi?Fi supported?

Yes. This device targets dual?band operation across 2.4 GHz and 5 GHz bands. Dual?band support helps improve throughput and coexistence in environments with many networks or Bluetooth devices.

Can it simplify RF certification?

Using a pre?qualified module can reduce RF certification scope. Module vendors often provide regulatory documentation and pre?tested RF performance, which can cut testing time versus a custom RF design.

Where can I find the datasheet?

Obtain the complete datasheet and hardware guides from the manufacturer or authorized distributors. The datasheet lists electrical parameters, mechanical drawings, recommended PCB layouts, and supported host interfaces.

Is this suitable for industrial use?

It is commonly used in industrial and commercial applications where integrated wireless is preferred. Check temperature range, lifecycle support, and vendor qualification notes in the datasheet for your specific deployment requirements.