The MICRF229YQS is a 315 MHz receiver module manufactured by Microchip. This IC is an integrated radio receiver chip capable of receiving signals with a frequency ranging from 300 MHz to 500 MHz. It has a maximum operating voltage of 3.6 VDC and can be used for a variety of remote control applications. The module features excellent long-range sensitivity, providing a strong signal reception even when used with a limited antenna. Additionally, it has a low power consumption, a minimum supply voltage of only 1.8 V, and a low current consumption, making it perfect for battery-operated wireless systems.