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M4531U1 WiFi4+BT5.4 SOM

Powered by Qualcomm QCA4531 and QCC711, M4531U0 is a purposely-designed soldered-down form factor BLE 5.5 and Wi-Fi4 combo module that combine multi-core processing capabilities and high-security features to meet the demands of diverse IoT applications

Features

  • Wi-Fi4 IEEE 802.11a/b/g/n 2.4GHz dual band dual concurrent applications

  • Integrates Qualcomm QCA4531 MIPS 24Kc 650MHz SoC and QCC711 Bluetooth 5.4 SoC​

  • Memory: 4Mb NOR, 1Gb NAND and 1Gb DDR2

  • Supports MIMO 2x2 2.4GHz WiFi operations

  • Supports WiFi PHY rate of 300Mbps for 2.4Ghz 40MHz

  • Ethernet Interface : 5 x FE PHY

  • Interfaces: PCie, USB2.0, SPI,UART, I2C, GPIO

  • 2 x 2.4/5GHz ipex for WiFi, 1 x 2.4GHz ipex for Bluetooth

  • OS: OpenWRT

  • Connector: LGA type 

  • Dimension: 34.83 x 34.83 mm

  • Operating temperature: -40°C ~ 85°

System

  • CPU: Qualcomm QCA4531 MIPS 24kc 650MHz SoC

  • Radio: Qualcomm QCC711 Bluetoth SoC

  • Memory: 

    • NOR: 2Mb (for boot loader)

    • NAND: 1Gb, Max

    • RAM: 1Gb DDR2​

WLAN

  • Standard: IEEE802.11a/b/g/n WiFi4

  • Bandwidth: IEEE 802.11n 2.4GHz 2X2 40MHz+ 5GHz 2x2 40MHz

  • Frequency: 2412 MHz ~2472MHz, 5180 MHz ~5825MHz

  • MIMO: 2.4GHz 2x2 + 5GHz 2x2

  • Transmit power: Max. 16dBm/MCS0, 8dBm/MCS7, 20MHz​

  • Sensitivity: -95dBm

  • Channel size: 20/40MHz

  • Modulation: CCK, BPSK, QPSK, 64QAM

  • Data rate

    • 802.11b: 1, 2, 5.5, 11Mbps

    • 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps

    • 802.11n: up to 300Mbps

​​

Bluetooth

  • Bluetooth v5.4

  • Tx power: Max. +6dBm

  • Channel bandwidth: 2MHz

  • Data rate: 2Mbps, 1Mbps, 500kbps, 125kbps

MISC

  • Power consumption: Max. 2.4W with full WiFi Tx (without BT)​

  • Operating temperature: -40°C ~ +85°C

  • Storage temperature: -40°C  ~ +90°C

  • Operating humidity: 5%-95%(Non-condensing)

  • Dimension: 34.83 X 34.83 X 2.2mm

  • Antenna connector: 3 x Ipex connectors

  • Power supply: +3.3V

  • Interfaces: 

    • 1 x PCIE2.0 (only available with MT7981A)

    • 5 x FE PHY

    • 3 x USB2.0

    • 3 x UART

    • 8 x GPIOs

    • 2 x K. FL2 for WiFi, 1 x K.FL2 for BT 

  • Software: ​

    • OpenWRT

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