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ESP8266EX 32bit TCP IP WIFI to UART Wireless Module esp8266 Low Power Networking WIFI Module ESP

[Product weight]:1.4±0.1g

[IC]:ESP8266

[Frequency]:2.4GHz

[Distance]:300m

[Interface]:UART/HSPI/I2C/I2S/IR Remote Control

[Introduction]:ESP-WROOM-02D and ESP-WROOM-02U are ESP8266EX-based modules developed by Espressif. Compared to ESP-WROOM-02, the RF performance of ESP-WROOM-02D and ESP-WROOM-02U are optimized. Besides, ESP-WROOM-02U integrates a U.FL connector. Please see Chapter 8 for details of U.FL connector.

WiFiSpecifications
RF certification
SRRC, FCC, CE (RED), IC, NCC, KCC, TELEC (MIC)
Wi-Fi protocols

802.11 b/g/n

Frequency range2.4GHz~2.5GHz(2400M~2483.5M)


HardwareSpecifications
Peripheral interface

UART/HSPI/I2C/I2S/IR Remote Control

GPIO/PWM

Operating voltage

2.7V ~ 3.6V

Operating current
Average: 80 mA

Minimum current delivered by power supply

500 mA
Operating temperature range
-40℃ ~ +85℃
Storage temperature
-40℃ ~ +85℃


SoftwareSpecifications
Wi-Fi modeStation/SoftAP/SoftAP+Station
Security

WPA/WPA2

EncryptionWEP/TKIP/AES
Firmware upgradeUART Download/OTA (via network)/Download and write firmware via host
Software developmentSupports Cloud Server Development/SDK for custom firmware development
Network protocolsIPv4、TCP/UDP/HTTP/FTP
User configurationAT Instruction Set, Cloud Server, Android/iOS app