Wifi module ESP8266 ESP-01

ESP-01 WiFi module is developed by Ai-thinker Team. core processor ESP8266 in smaller sizes of the module encapsulates Tensilica L106 integrates industry-leading ultra low power 32-bit MCU micro, with the 16-bit short mode, Clock speed support  80 MHz, 160 MHz, supports the RTOS, integrated Wi-Fi MAC/BB/RF/PA/LNA, on-board antenna.

Features 

802.11 b/g/n

Integrated low power 32-bit MCU

Integrated 10-bit ADC

Integrated TCP/IP protocol stack

Integrated TR switch, balun, LNA, power amplifier and matching network

Integrated PLL, regulators, and power management units

Supports antenna diversity

Wi-Fi 2.4 GHz, support WPA/WPA2

Support STA/AP/STA+AP operation modes

Support Smart Link Function for both Android and iOS devices

Support Smart Link Function for both Android and iOS devices

SDIO 2.0, (H) SPI, UART, I2C, I2S, IRDA, PWM, GPIO