PT7687W-S module is a low-cost, low-power consumption and highly-integrated embedded 1X1 11b/g/n single-band Wi-Fi module specially designed for IOT market. This module adopts the MTK SOC chip which contains an ARM Cortex-M4F MCU application process running at 192MHz, Wi-Fi subsystem and power management unit (PMU).

PT7687W-S has embedded 352KB SRAM, 64KB boot ROM and optional 4MB serial flash running at RTOS environment. It also support many peripherals which including UART, I2C, SPI, PWM, IrDA, and auxiliary ADC. This is perfectly suitable for all variety of applications in the IOT market.



Dimension18.5 mm x 32.5 mm x 3.1 mm
Operation TempOperating : -30℃ ~ +70℃
CPUARM Cortex M4 MCU with FPU with up to 192MHz clock speed
RAM/ROM352KB SRAM / 64KB boot / 2MB or 4MB Flash (External)
Wireless NetworkWiFi 802.11 b/g/n (2.4GHz)
WiFi SecuritySecurity support for WFA WPA/WPA2 personal, WPS2.0, WAPI
Network SecurityHardware crypto engines including AES, DES/3DES, SHA2 for network security
Uart InterfaceTwo UART interfaces with hardware flow control and one UART for debug, all multiplexed with GPIO
I2S InterfaceOne I2S interface multiplexed with GPIO
SPI InterfaceOne SPI interface multiplexed with GPIO
IrDA InterfaceOne IrDA supports protocols including RC-5 and pulse-width detection mode
PWM Interface28 generic PWMs to generate pulse sequences with programmable frequency
ADC InterfaceFour ADC interface multiplexed with GPIO
Low Power ModeOne SPI interface multiplexed with GPIO
I2C InterfaceTwo I2C master interface multiplexed with GPIO
EMC CertificationPretest report for FCC/CE