50 Series
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    50 Series WiFi Module with Bluetooth

    Not Recommended for New Design (NRND)

    Overview

    Ezurio's 50 Series Wi-Fi® + Bluetooth® modules achieve the best possible connectivity in any RF environment, powered by the Qualcomm Atheros QCA6004 and the Cambridge Silicon Radio CSR8811. With industry-leading software, Linux and Android support, and a wide range of form factors, Ezurio’s 50 Series is a flexible option for your enterprise wireless needs. The security and robustness inherited from our expertise in our 40 and 45 Series modules means the most reliable wireless in crucial, even life-critical applications, such as medical and industrial.

    • New Wireless Capabilities: Advanced 802.11a/b/g/n, 2x2 MIMO, Advanced Power Save, Enhanced BT/WiFi Coexistence, Fast Roam
    • Bluetooth 4.0: Enables Classic Bluetooth and Low Energy mode
    • Complete RF Pathway: Onboard baluns, mobile phone coexistence filter, diplexer, power amplifier, low noise amplifier, and reference crystal oscillator
    • Pre-calibrated for performance: Tuned in manufacturing

    The 50 Series modules come in three form factors: 

    • SSD50NBT: Extremely small 15mm x 15mm SiP module
    • MSD50NBT: Pluggable 60-pin SDIO Module
    • M2SD50NBT: Low-profile M.2 E Key form in SDIO interface.

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    Dev Kits

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    Certified Antennas

    Simplify compliance with antennas tested and certified for this module.

    Specifications

    Wi-Fi Spec
    802.11 a/b/g/n
    Dimension (Length - mm)
    15
    Dimension (Width - mm)
    15
    Dimension (Height - mm)
    2.5
    Android
    Yes
    BT Capable
    4.0
    BT Chipset
    CSR8811
    BT Dual Mode
    Yes
    BT Interfaces
    UART
    Certifications
    EU, UKCA, FCC, ISED
    Line
    Enterprise
    Linux
    Yes
    Spatial Streams
    2 (2x2 MIMO)
    Supplicant
    EAP
    Temp Spec
    -30C +85C
    Wi-Fi Chipset
    QCA AR6004
    Wi-Fi Interfaces
    1-bit or 4-bit Secure Digital I/O
    Part NumberPrice @ 1KAntenna TypeChipset (Wireless)Dimension (Height - mm)Dimension (Length - mm)Dimension (Width - mm)Frequency Range (Max)Frequency Range (Min)Frequency Range 2 (Max)Frequency Range 2 (Min)Logical InterfacesOS/SoftwarePhysical InterfaceProduct TypeSystem ArchitectureTechnology
    WH-M2SD50NBT
    WH-M2SD50NBT
    NRND
    Buy Options
    		N/AExternal QCA (CSR) 8811, QCA AR6004 3.3 mm30 mm22 mm2495 MHz2400 MHz5825 MHz5150 MHzSDIO Linux, Android M.2 Card (E-Key Type) Embedded Module Hosted 802.11abgn, Bluetooth 4.0, Dual Mode (Classic + BLE)
    WH-MSD50NBT
    WH-MSD50NBT
    NRND
    Buy Options
    		N/AExternal QCA (CSR) 8811, QCA AR6004 4.7 mm32 mm22 mm2495 MHz2400 MHz5825 MHz5150 MHzSDIO Linux, Android SDIO Embedded Module Hosted 802.11abgn, Bluetooth 4.0, Dual Mode (Classic + BLE)
    WH-SSD50NBT
    WH-SSD50NBT
    NRND
    Buy Options
    		N/AExternal QCA (CSR) 8811, QCA AR6004 2.5 mm15 mm15 mm2495 MHz2400 MHz5825 MHz5150 MHzSDIO Linux, Android SDIO Embedded Module Hosted 802.11abgn, Bluetooth 4.0, Dual Mode (Classic + BLE)

    Documentation

    Name Part Type Last Updated
    Product Brief - 50 Series All Product Brief 05/02/2025
    Application Note - Guidelines for Replacing Antennas All Application Note 03/20/2025
    Application Note - Information Broker All Application Note 05/02/2025
    Legacy BT Profile Integration with BlueZ Stack All Application Note 05/02/2025
    Software Integration Guide - SD45 and SD50 (Linux) All Documentation 05/02/2025
    EU Certifications - MSD50NBT All Certification 12/01/2022
    FCC Certifications SSD50NBT All Certification 10/21/2020
    ISED (Canada) Certifications - SSD50NBT All Certification 10/21/2020
    EU Certifications - M2SD50NBT/SSD50NBT All Certification 12/01/2022
    MIC Certifications - M2SD50NBT All Certification 09/30/2020
    FCC Certifications - M2SD50NBT All Certification 10/21/2020
    ISED (Canada) Certifications - M2SD50NBT All Certification 10/21/2020
    FCC Certifications - MSD50NBT All Certification 10/21/2020
    ISED (Canada) Certifications - MSD50NBT All Certification 10/21/2020
    RoHS 3 Compliance - Wi-Fi Products All Certification 03/06/2025
    Regulatory Information - M2SD50NBT All Certification 02/08/2022
    Regulatory Information - MSD50NBT All Certification 02/08/2022
    Regulatory Information - SSD50NBT All Certification 11/15/2022
    ISED ICES-003 Issue 7 Declaration of Compliance All Certification 05/18/2021
    PCN 1D-2022 - 50 Series All Documentation 02/08/2022
    PCN_4B-2022 - 50 Series All Documentation 04/26/2022
    Datasheet - SSD50NBT WH-SSD50NBT Datasheet 05/02/2025
    Software Integration Guide - SD45 and SD50 for Android Jellybean and KitKat WH-MSD50NBT
    WH-SSD50NBT    		 Documentation 05/02/2025
    Datasheet - MSD50NBT DVK-MSD50NBT
    WH-MSD50NBT    		 Datasheet 05/02/2025
    Datasheet - M2SD50NBT WH-M2SD50NBT Datasheet 05/02/2025

    FAQ

    What is manufacturer’s baking recommendations on MSD50NBT for time and temperature for drying the device?

    According to MSL (Moisture Sensitivity Level), it needs to bake 125 degree C for 48 hours. 

    What is the ITU code for Wi-Fi with WiFi/BT combo module?

    Mode

    ITU-Code

    2.4-2.4835GHz

    -

    802.11b_Nss1,(1Mbps)_1TX

    12M2G1D

    802.11g_Nss1,(6Mbps)_1TX

    16M7D1D

    802.11n HT20_Nss1,(MCS0)_1TX

    17M9D1D

    802.11n HT40_Nss1,(MCS0)_1TX

    36M6D1D

    5.15-5.25GHz

    -

    802.11a_Nss1,(6Mbps)_1TX

    16M4D1D

    802.11ac VHT20_Nss1,(MCS0)_1TX

    17M6D1D

    802.11ac VHT40_Nss1,(MCS0)_1TX

    36M2D1D

    802.11ac VHT80_Nss1,(MCS0)_1TX

    75M7D1D

    5.25-5.35GHz

    -

    802.11a_Nss1,(6Mbps)_1TX

    16M4D1D

    802.11ac VHT20_Nss1,(MCS0)_1TX

    17M6D1D

    802.11ac VHT40_Nss1,(MCS0)_1TX

    36M2D1D

    802.11ac VHT80_Nss1,(MCS0)_1TX

    75M7D1D

    5.47-5.725GHz

    -

    802.11a_Nss1,(6Mbps)_1TX

    16M4D1D

    802.11ac VHT20_Nss1,(MCS0)_1TX

    17M7D1D

    802.11ac VHT40_Nss1,(MCS0)_1TX

    36M2D1D

    802.11ac VHT80_Nss1,(MCS0)_1TX

    75M8D1D

    5.725-5.85GHz

    -

    802.11a_Nss1,(6Mbps)_1TX

    16M4D1D

    802.11ac VHT20_Nss1,(MCS0)_1TX

    17M7D1D

    802.11ac VHT40_Nss1,(MCS0)_1TX

    36M2D1D

    802.11ac VHT80_Nss1,(MCS0)_1TX

    75M7D1D

    What is the ITU code for BT with WiFi/BT combo module?

    Mode

    ITU-Code

    2.4-2.4835GHz

    -

    BT-BR(1Mbps)

    889KF1D

    BT-EDR(3Mbps)

    1M22G1D

    BT-LE(1Mbps)

    1M05F1D

     

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