SemiconductorThe RPM7138-V4R with ROHM Semiconductor Infrared Receivers REMOTE CTRL 37.9KHZ is an electronic part manufactured by ROHM Semiconductor. It is used for remote operation of a variety of consumer electronic devices such as televisions, air conditioners, and DVD players. The receiver is capable of providing a reliable signal detection range of up to 200 meters under typical environmental conditions. It also features a low power consumption with a maximum operating current of 17 mA. The frequency range of the infrared receiver is from 30 kHz to 50 kHz, with the peak sensitivity at 37.9 kHz. It has a wide operating temperature range of -20°C to 85°C. Additionally, the remote control has a very robust design with good shock and vibration tolerances.