Description: This is the frequency antenna which can reduce FM88-108MHz to 76-90MHz(All Channel Antenna), and it is a special design for the lower frequency of 76-90MHz car audio. After adding this frequency antenna, the car audio can receive a frequency than before, and it is suitable for most Japanese car radio Features: 1. Reduce FM88-108MHz to 76-90MHz(All Channel Antenna), special design for the lower frequency of 76-90MHz car audio. 2. After adding this frequency antenna, through changing the frequency, the car audio can receive a much frequency. 3. quality and safety, each unit is individually precisely tuned for desired band on appropriate RF test equipment. 4. With a red line for positive pole, black line for negative pole, convenient to install. 5. Suitable for most Japanese car radio Specifications: Colors: Black Frequency Range: Reduce FM88-108MHz to 76-90MHz(All Channel Antenna) Hole Diameter: 1.2cm/0.47'' Size(W x H): 2.5 x 1.9cm/0.98'' x 0.75'' Whole Length: 30.5cm/12'' Package Weight: 43g Package Included: 1 x Car FM Band Expander 1 x Instruction Manual Note: 1. If you want to know more details, please read the instruction manual. 2. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.