Wireless standard: 802.11 b / g / n Frequency range: 2.4GHz~2.5GHz(2400M ~ 2483.5M) Data interface: UART / HSPI / I2C / I2S / IR Remote Contorl / GPIO / PWM Operating voltage: 3.0 ~ 3.6v (Suggest 3.3v) Working current: average 80mA Operating temperature: - 40 degrees to 125 degrees Storage temperature: room temperature Wireless network mode: station / softAP / SoftAP + station Security mechanisms: WPA / WPA2 Encryption type: WEP / TKIP / AES USB to serial TTL chip: CH340G Upgrade firmware: local serial port burn, cloud upgrade, host download burn Network protocols: IPV4, TCP / UDP / HTTP / FTP User Configuration: AT + instruction set, cloud server, Android / IOS APP Applications: Home automation, sensor networks, industrial wireless control
Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 0.5-1cm measuring deviation due to manual measurement.