Transmitter Module Specifications:

Power supply voltage: 5V

Working environment: -25 ~ + 85 degree centigrade

Storage temperature: -30 ~ + 100 degree centigrade

Wiring instructions: DAT digital output interface VCC 5V DC power supply positive GND 5V DC power supply negative

Infrared receiver module information:
It adopts 1838 remote control receiving head with high sensitivity
Operating voltage 5V
Output form: digital output
Equipped with 2 fixing holes for easy installation. APERTURE 3.1MM
With data indicator
Board size: 23.5x21.5mm

Infrared emission module information:
Supply voltage: 5V
Working environment: -25~+85 degree centigrade
Storage temperature: -30~+100 degree centigrade
WAVELENGTH: 940NM
MODULE SIZE: 13.7 x 27.8mm
Module weight: 1G
Signal type: Digital signal
INFRARED WAVELENGTH: ABOUT 850NM-940NM
Infrared emission angle: about 20 degrees
IR emission distance: approx. 1.3m (5V 38KHZ)

Packages included:
2PCS IR emitter modules
2PCS infrared receiver modules

Widely used in infrared communication, infrared remote control, suitable for a variety of platforms including 51/AVR/ARM. With signal indication LED for easy observation and commissioning.