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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

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Cdtech TP300 Bluetooth Module Owner’s Manual

Lub Rau Hli 19, 2026
Cdtech TP300 Bluetooth Module Overview CDI-WC46600A-01 is a Wi-Fi + BLE module independently developed by Cdtech based on the ECR6600-ATS2L chip. ECR6600-ATS2L is a SoC chip designed for smart home…

Cdtech CDW-U8851BU-01 WiFi Module User Manual

Lub Rau Hli 16, 2026
Cdtech CDW-U8851BU-01 WiFi Module Reversion History   Version   Date   Modification   1.0   2025.06.19   First release   1.1   2026.03.10   Update Modular photo Overview The CDW-U8851BU-01…

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

Lub Ib Hlis 12, 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

Lub Ib Hlis 6, 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 thiab Specifications

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Cov ntaub ntawv qhia dav dav rau Cdtech CDB-BM2853C-00 Bluetooth Module, nthuav dav nws cov yam ntxwv, kev qhia tshwj xeeb, cov lus piav qhia tus pin, Daim nqi ntawm cov ntaub ntawv (BOM), cov yam ntxwv hluav taws xob, cov lus qhia ntim, reflow profile, thiab cov ntaub ntawv hais txog kev ua raws cai.

CDW-6986850-00 Ib Band WiFi + BLE5.0 Module Specification

Technical Specification
Kev qhia tshwj xeeb rau CDW-6986850-00, ib leeg-band Wi-Fi thiab Bluetooth 5.0 Tsawg Zog module los ntawm CHINA DRAGON TECHNOLOGY LIMITED (Cdtech). Cov ntsiab lus suav nrog dhauview, features, general and RF specifications, electrical characteristics,…

Cdtech CDI-WY16600A-00 WiFi + BLE Module Technical Specification

Technical Specification
Kev qhia tshwj xeeb rau Cdtech CDI-WY16600A-00 WiFi + BLE module, nthuav dav cov yam ntxwv, cov lus qhia dav dav, cov lus piav qhia tus pin, cov yam ntxwv hluav taws xob, thiab cov ntaub ntawv ua raws FCC los ntawm CHINA DRAGON TECHNOLOGY LIMITED.

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

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Cov ntaub ntawv no muab cov lus qhia tshwj xeeb rau CDI-W30721DM Dual Band WiFi4 + BLE5.0 Module, suav nrog nws cov yam ntxwv, kev qhia dav dav, RF specifications, hluav taws xob yam ntxwv, tus pin piav qhia, qhov ntev, cov ntaub ntawv xa khoom, thiab cov ntsiab lus ntim.

Cdtech support FAQ

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  • 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.