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    Manufacturer Model Number
    Manufacturer Model Number
    3 A+
    3 B+
    4 B 2GB
    4 B 4GB
    4 B 8GB
    Zero W
    Manufacturer Series
    Manufacturer Series
    4
    3
    Zero
    Individual/Set
    Individual/Set
    Individual
    Set
    Memory Size
    Memory Size
    512 MB
    1 GB
    2 GB
    4 GB
    8 GB
    32 GB
    Input Voltage
    Input Voltage
    0-30V DC
    5V DC
    Wi-Fi Standard
    Wi-Fi Standard
    802.11ac
    802.11b
    802.11n
    802.11g
    Memory Type
    Memory Type
    SDRAM
    Flash
    Number of USB Connections
    Number of USB Connections
    1
    2
    4
    Communication Protocol
    Communication Protocol
    I2C
    SPI
    UART
    DCON ASCII
    REST
    WebSocket
    MIPI Connection Type
    MIPI Connection Type
    CSI
    DSI
    USB Standard
    USB Standard
    2.0
    3.0
    Minimum Operating Voltage
    Minimum Operating Voltage
    3.3V DC
    5-30V DC
    Bluetooth Standard
    Bluetooth Standard
    4.0
    4.1
    4.2
    5.0
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Microprocessor Operating System
    Microprocessor
    Operating System
    Raspbian
    Raspbian Lite
    Microprocessor Model Number
    Microprocessor
    Model Number
    Broadcom BCM2711
    Broadcom BCM2837B0
    Broadcom BCM2835
    Microprocessor Size
    Microprocessor Size
    32 bit
    64 bit
    Clock Speed
    Clock Speed
    1 GHz
    1.2 GHz
    1.4 GHz
    1.5 GHz
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
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    14 Products