STMicroelectronics – SPWF01Sx Wi-Fi Modules

Small footprint, ready-to-use WiFi modules add straight-on connectivity

ST’s SPWF01S series of RF-certified Wi-Fi modules is a compact, flexible and affordable Plug & Play solution to integrate 802.11 b/g/n and TCP/IP connectivity to a range of IoT or smart grid designs. The modules can be chosen with an integrated antenna or u.FL connector and with 512 Kbytes or 1.5 Mbytes of Flash memory. The on-module STM32 microcontroller hosts a full featured TCP/IP stack and application layer to ensure simple access via AT commands. With reduced power consumption and small form factor, the modules are ideal for both fixed and mobile applications.

Features

  • 2.4 GHz IEEE 802.11 b/g/n transceiver
  • STM32 ARM Cortex-M3
  • Multiple Integrated Flash memory options:

– 1.5 MB (SPWF01Sx.1y orderable parts)

– 512 kB (SPWF01Sx.2y orderable parts)

  • 64 KB RAM memory
  • 32 kHz XTAL to support low power modes
  • 16 GPIOs, serial port (UART, SPI, I2C) interfaces available
  • Small form factor: 26.92 x 15.24 x 2.35 mm
  • Up to +18 dBm output power
  • Single voltage supply (3.3 V typ.)
  • Multiple antenna options:

– Integrated antenna (SPWF01SA.xy versions)

– Integrated U.Fl connector (SPWF01SC.xy versions)

  • Industrial operating temperature range
  • FCC/CE/IC certified
  • RoHS compliant
  • Surface mount PCB module

Applications

  • Smart appliances
  • Industrial control and data acquisition
  • Home automation and security systems
  • Wireless sensors
  • Cable replacement
  • Medical equipment
  • Machine-to-machine communication

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