NEC Remote Commander RD-469E, for M403H

The Sharp/NEC Remote Commander RD-469E is a professional infrared remote control designed for multimedia and computer system applications. This device features a precise button layout with clearly labeled functions for reliable operation in various environments. The robust ABS plastic housing ensures consistent performance during long-term use. The remote control operates on standard AAA batteries (not included) and offers a typical infrared range of 8 to 10 meters, depending on environmental conditions. With dimensions of approximately 15.5 cm in length, 4.5 cm in width, and 2.2 cm in thickness, the ergonomic design allows for comfortable handling during extended use. It weighs about 85 grams without batteries, with a balanced weight distribution for a stable grip. The button surface includes dedicated controls for power, volume adjustment, channel selection, navigation buttons, and special function keys for multimedia applications. The infrared emitter operates at a wavelength of 940 nm and a carrier frequency of 38 kHz, compatible with most NEC protocol devices. The remote control provides reliable performance in ambient temperatures ranging from 0°C to 40°C, with a storage temperature tolerance of -10°C to 60°C. The surface coating offers resistance to light scratches and fingerprints while maintaining consistent tactile feedback for all buttons. The battery compartment features a secure closure mechanism to prevent accidental opening during normal operation. This Remote Commander serves as a replacement or additional control solution for compatible NEC multimedia systems, computer interfaces, and professional presentation equipment where precise command execution is required.