High quality: Efficient production line, comprehensive testing process. The HY-21-R23x optical node is a compact indoor optical node designed for FTTH applications. It features a single MMIC chip, offering high integration, high performance, and excellent interference resistance compared to two-stage amplifier designs. It delivers optimal linearity and low noise figure with minimal power consumption through power-saving technology. Supports digital AGC control via I2C interface. Provides a reliable, high-performance FTTH network solution for cable TV operators. Plug Type: EU Plug, suitable for use in countries including Germany, France, Spain, Italy, and Indonesia. Voltage: AC 220V. Color: White. Material: Plastic. Type: A (SC APC-SC APC) / B (SC APC-SC UPC). Package Contents: 1x Receiver. No additional items included. Note: Lighting and display differences may cause slight color variations between the image and actual product. Measurement tolerance: +/- 1-3 cm.