Specification

• Chip: ESP8266
• Wi-Fi Protocol: 802.11 b/g/n
• Frequency Range: 2.4 GHz ~ 2.5 GHz (2400 MHz ~ 2483.5 MHz)
• Operating voltage: 2.7 V ~ 3.6 V
• Operating Current: Average: 80 mA
• Supply Current: Min: 500 mA
• Operating temperature: -40 °C ~ 85 °C
• Storage temperature: -40 °C ~ 85 °C
• Wireless network mode: Station/SoftAP/SoftAP+Station
• Security mechanism: WPA/WPA2
• Encryption Type: WEP/TKIP/AES

Features

• The sleep current of the ESP32 chip is less than 5 µA, making it suitable for battery-powered wearable electronics.
• The module supports data transfer rates up to 150 Mbps and antenna output power up to 20 dBm for maximum range wireless communication.
• The operating system of the ESP32 is freeRTOS with LwIP and also has built-in TLS 1.2 with hardware acceleration.
• The chip also supports OTA encryption upgrade, which is convenient for users to continue to upgrade after the product is released.
• Wi-Fi supports a wide range of communication connections and also supports direct connection to the Internet through a router
• Bluetooth allows users to connect mobile phones or broadcast BLE Beacon for signal detection

Application

• speech coding
• Audio equipment
• MP3 decoding, etc.