• Package containing both a photo detector and preamplifier
• Internal filter for Pulse Code Modulation (PCM) frequency
• Inner shield providing good anti-interference capabilities

The 1838 IR Infrared 37.9 Khz Receiver (2pcs) is a miniaturized receiver designed for remote control and other applications that require improved ambient light rejection. It is perfect for applications such as security systems, remote control, robotics, and more. You can enjoy reliable performance and improved reception with this receiver.