3pcs AT Fireware ESP-M4 Wireless WiFi Module ESP8285 Serial Port Transmission Control Module Compatible with ESP8266

Product description The core processor of the ESP M4 module uses the cost effective chip ESP8285 The chip integrates an enhanced version of Tensilicas L106 Diamond Series 32 bit core processor in a smaller package with on chip SRAM The ESP8285 has a full Wi Fi network function which can be used independently or as a slave to other host MCUs When the ESP8285 hosts an application it can be launched directly from external Flash The built in cache helps improve system performance and optimizes the storage system In addition the ESP8285 can be used as a Wi Fi adapter via the SPI SDIO interface or I2C UART port for any microcontroller based design The ESP M4 module supports the standard IEEE 802 11 b g n e i protocol and the complete TCP IP protocol stack Users can use this module to add networking capabilities to existing devices or to build separate network controllers The ESP M4 module offers maximum practicality at the lowest cost providing unlimited possibilities for Wi Fi functionality to be embedded in other systems ClassificationItemParameterWi FiFrequency range2 4G 2 5G 2400M 2483 5M Transmit power802 11b 20 dBm802 11g 17 dBm802 11n 14 dBmReceiving sensitivity802 11b 91 dbm 11Mbps 802 11g 75 dbm 54Mbps 802 11n 72 dbm MCS7 AntennaPCB onboard antennaHardwareCPUTensilica L106 32 bit microcontrollerPeripheralUART SDIO SPI I2C I2S IR remote controlGPIO ADC PWM SPI I2C I2SOperating Voltage2 5V 3 6VWorking currentAverage current 80 mAOperating tempera