Specifications

1. Overview
WT8266‐S2Wi‐Fimoduleisalowconsumption,highperformanceWi‐Finetworkcontrolmodule
designedbyWireless‐Tag.ItcanmeettheIoTapplicationrequirementsinsmartpowergrids,building
automation,securityandprotection,smarthome,remotehealthcareetc.
Themodule'scoreprocessorESP8266integratesanenhancedversionof
Tensilica'sL106Diamondseries
32‐bitprocessorwithsmallerpackagesizeand16bitcompactmode,mainfrequencysupport80MHzand
160MHz,supportRTOS,integratedWi‐FiMAC/BB/RF/PA/LNA,on‐boardPCBantenna.
ThemodulesupportsstandardIEEE802.11b/g
/nprotocol,acompleteTCP/IPprotocolstack.itcan
beusedtohosttheapplicationortooffloadWi‐Finetworkingfunctionsfromanotherapplication
processor.

2. Main Features
 OperatingVoltage:3.3V
 OperatingTemperature：‐40‐85°C
 CPUTensilicaL106
o RAM 50KB（Available）
o Flash 16Mbit/32Mbit（16Mbitdefault）
 System
o 802.11b/g/n
o IntegratedTensilicaL106ultra‐lowpower32‐bitmicroMCU,with16‐bitRSIC.TheCPUclock
speedis80MHz.Itcan
alsoreachamaximumvalueof160MHz.
o WIFI2.4GHz，supportWPA/WPA2
o Ultra‐Small18.6mm*15.0mm
o Integrated10bithighprecisionADC
o IntegratedTCP/IPStack
o IntegratedTRswitch,balun,LNA,Poweramplifierandmatchingnetwork
o Integrated PLL, Regulator and power source management components, +20 dBm output
power
in802.11bmode
o Supportsantennadiversity
o Deepsleepcurrent<20uA,Powerdownleakagecurrent<5uA
o Richinterfaceonprocessor:SDIO2.0,(H)SPI,UART,I2C,I2S,IRDA,PWM,GPIO
o STBC,1x1MIMO,2x1MIMO,A‐MPDU&A‐MSDUaggregation&0.4sguardinterval
o Wake
up,buildtheconnectionandtransmitpacketsin<2ms
o Standbypowerconsumption<1.0mW(DTIM3)
o SupportATremoteupgradesandcloudOT Aupgrade
o SupportSTA/ AP/STA+APoperationmodes
o FCC/CE/RoHs