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Cdtech Manuals & User Guides

Cdtech (China Dragon Technology Limited) specializes in manufacturing high-performance Wi-Fi, Bluetooth, and IoT wireless communication modules.

Tip: include the full model number printed on your Cdtech label for the best match.

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Cdtech Module Integration and User Guides

Cdtech, officially known as China Dragon Technology Limited, is a leading provider of advanced wireless communication modules. Their extensive product lineup includes high-performance single and dual-band Wi-Fi modules, Bluetooth and BLE combination architectures, and IoT connectivity solutions designed specifically for consumer electronics, industrial applications, and smart home appliances. With a focus on seamless integration, minimal power consumption, and reliable networking, Cdtech enables intelligent connectivity across a wide range of devices globally.

Cdtech manuals

Manuais máis recentes de manuals+ elaborado para esta marca.

Cdtech CDI-WX27931A-00 BLE 5.0 WiFi Module Owner’s Manual

12 de xaneiro de 2026
Cdtech CDI-WX27931A-00 BLE 5.0 WiFi Module Reversion History Version Date Modification  1.0  2024.12.28  First release  1.1  2025.04.26  Update the RF metric Overview CDI-WX27931A-00 is 802.11a/b/g/n/ac/ax and BLE5.0 1T1R IOT Module.…

Cdtech CDI-W30721DM WiFi and BT Module User Guide

6 de xaneiro de 2026
Cdtech CDI-W30721DM WiFi and BT Module Software: Customer  Approve  Date Design Check Approve Version Date  V1.4  2025.07.11  Reversion History: Version Date Modification  1.0  2025.03.10  First release  1.1  2025.03.20  Revise PIN…

Cdtech CDB-BM2853C-00 Bluetooth Module Datasheet and Specifications

Folla de datos
Comprehensive datasheet for the Cdtech CDB-BM2853C-00 Bluetooth Module, detailing its features, technical specifications, pin descriptions, Bill of Materials (BOM), electrical characteristics, packaging instructions, reflow profile, and regulatory compliance information.

Especificación do módulo WiFi de banda única CDW-6986850-00 + BLE5.0

Especificación técnica
Especificacións técnicas para o CDW-6986850-00, un módulo Wi-Fi monobanda e Bluetooth 5.0 de baixo consumo de enerxía de CHINA DRAGON TECHNOLOGY LIMITED (Cdtech). Os detalles inclúen máis deview, features, general and RF specifications, electrical characteristics,…

CDI-W30721DM Dual Band WiFi4+BLE5.0 Module Specification

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This document provides the specifications for the CDI-W30721DM Dual Band WiFi4+BLE5.0 Module, including its features, general specifications, RF specifications, electrical characteristics, pin descriptions, dimensions, supplier information, and packing details.

Cdtech support FAQ

Preguntas frecuentes sobre manuais, rexistro e asistencia técnica para esta marca.

  • How do I install the drivers for my Cdtech Wi-Fi module?

    Specific driver installation and host interface connections typically depend on the OS you are using (e.g., Linux or Windows). Reference the platform SDK or the module's specific integration guide provided by the manufacturer.

  • Why is my Cdtech Wi-Fi module not detecting networks?

    Ensure the antenna is securely connected, verify that the module drivers are correctly installed and recognized by the OS, and confirm that there are active Wi-Fi networks operating on the supported frequency band.

  • Where can I find hardware integration instructions for Cdtech BLE modules?

    Detailed integration instructions, including pin definitions, layout recommendations, optimal trace impedance (usually 50 ohms), and RF trace designs, are thoroughly documented in the module's owner's or engineering manual.

  • Can Cdtech modules be used for smart home appliances?

    Yes, many Cdtech IoT Wi-Fi + BLE combinations are specifically designed for applications like smart plugs, smart door locks, light controls, and other IoT ecosystem devices.