Ebyte ESP-WROOM-02D Serial Port Wifi Module ESP8266


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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... Read more

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Categories: WiFi ModuleTags: 2.4GHz, 300m

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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




[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.

WiFi Specifications
RF certification
Wi-Fi protocols

802.11 b/g/n

Frequency range 2.4GHz~2.5GHz(2400M~2483.5M)

Hardware Specifications
Peripheral interface

UART/HSPI/I2C/I2S/IR Remote Control


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℃

Software Specifications
Wi-Fi mode Station/SoftAP/SoftAP+Station


Encryption WEP/TKIP/AES
Firmware upgrade UART Download/OTA (via network)/Download and write firmware via host
Software development Supports Cloud Server Development/SDK for custom firmware development
Network protocols IPv4、TCP/UDP/HTTP/FTP
User configuration AT Instruction Set, Cloud Server, Android/iOS app

ESP-WROOM-02D ESP-WROOM-02D WIFI to UART Wireless Module

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Ebyte ESP-WROOM-02D Serial Port Wifi Module ESP8266