Description: Reduce FM88-108MHz to 76-90MHz (All Channel Antenna), design for the lower frequency of 76-90MHz car audio. After adding this frequency antenna, through changing the frequency, the car audio can receive a perfect frequency. High quality material, each unit is individually precisely tuned for desired band on appropriate RF test equipment. With a red line for positive pole, black line for negative pole, convenient and easy to install. Suitable for most Japanese car radio, such as for Sony, for Clarion, for Kenwood, for Alpine, for Panasonic, ect. Specification: Colors: Black Frequency Range: Reduce FM88-108MHz to 76-90MHz(All Channel Antenna) Hole Diameter: 1.2cm/0.47inch Whole Length: 30cm/11.8inch Weight: 45g Fitment: For Sony, For Clarion, For Kenwood, For Alpine, For Panasonic For Most Japanese Car Radio Size Chart: 30cm/11.81inch Package Includes: 1 Piece Car FM Band Expander 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!