SPWF01SA SPWF01SC Serial-to-Wi-Fi b/g/n intelligent modules Datasheet - production data RX sensitivity -96.0 dBm 1 Mbps DSSS -74.5 dBm 54 Mbps OFDM 16 configurable GPIOs available UART interface to host system Advanced low-power modes Standby with RTC: 43 A Idle connected (DTIM=1): 3.9 mA Sleep current: 2.2 mA RX traffic: 105 mA typical TX traffic: 243 mA typical 10 dBm Features Simple AT command set host interface through 2.4 GHz IEEE 802.11 b/g/n transceiver UART STM32 ARM Cortex-M3, with 64 kB RAM and Small form factor: 26.92 x 15.24 x 2.35 mm 512 kB Flash memory Single voltage supply (3.3 V typical) 1 MB extended Flash available on the Multiple antenna options: SPWF01Sx.1y Integrated antenna (SPWF01SA.xy Integrated TCP/IP protocol stack versions) 8 simultaneous TCP or UDP clients and 1 Integrated u.fl connector (SPWF01SC.xy socket server versions) 1 TLS/SSL socket client supporting up to Industrial temperature range: -40 C to 85 C TLS 1.2, including common encryption FCC/CE/IC/SRRC certified algorithms: AES (128, 256), hash (MD5, SHA-1, SHA-256) and public key RoHS compliant algorithms (RSA, ECC) Surface mount PCB module Web server supporting dynamic web pages RESTful API to get and post web content Applications WEP/WPA/WPA2 personal security Smart appliances System modes: station, IBSS, and miniAP (supporting up to 5 stations) Industrial control and data acquisition miniAP easily provisioned (SSID, PWD) Home automation and security systems Fast Wi-Fi re-association after reset Wireless sensors Firmware update via UART and Over-The-Air Cable replacement (FOTA) extended Flash on board with the Medical equipment SPWF01Sx.1y Machine-to-machine communication TX power 18.3 dBm 1 Mbps DSSS 13.7 dBm 54 Mbps OFDM July 2018 DocID025635 Rev 9 1/21 This is information on a product in full production. www.st.comContents SPWF01SA, SPWF01SC Contents 1 Description . 3 2 General electrical specifications . 5 3 Digital interface specifications 6 4 RF characteristics . 7 5 Pinout description . 8 Application guidelines 10 6 Module reflow . 11 7 Regulatory compliance 13 7.1 RF compliance . 13 7.2 FCC and IC . 13 7.2.1 Modular approval, FCC and IC . 13 7.2.2 Labeling instructions . 14 7.3 CE 14 7.4 SRRC 14 8 Package information 15 8.1 Module shield package information . 15 9 Ordering information . 18 10 Traceability information . 19 11 Revision history . 20 2/21 DocID025635 Rev 9