An aliexpress special, esp12f / esp8266 / esp8266mod IR receiver and transmitter board
Printed on the back side: ESP_IR_TR_WIFI (303ESPIRTR3)
Reverse engineered pinout for relevant functions:
For search algorith:
ESP8266 Infrared Emission Reception NEC Command WIFI Transmission Module Development Board Board ESP-12F Module TYPE-C
ESP8266 Infrared Transmitter-Receiver NEC Command WIFI ESP-12F Module TYPE-C
ESP8266 Infrared Emission And Reception NEC Command WIFI Transmission Module Development Board ESP-12F Module TYPE-C
ESP8266 Infrared Emission And Reception NEC Command WIFI Transmission Module Development Board Board ESP-12F Module TYPE-C