General description This Universal Car Radio Antenna, model ANT-309, is designed to enhance signal strength and improve audio clarity for your vehicle. Made from high-quality ABS plastic, this hidden amplified FM antenna operates within a frequency range of 85-112 MHz and features a built-in amplifier to ensure stable and clear audio reception. Technical specifications Material: Plastic Color: Black Model: ANT-309 Frequency Range: 85-112 MHz Size (L x W x H): 11.5 x 2.2 x 0.6 cm / 4.5" x 0.9" x 0.2" Cable Length: 5 m / 16.4 ft Power Supply: 8~50 MA Working Frequency: 48~860 MHz Working Temperature: -20℃ to +70℃ Storage Temperature: -40℃ to +90℃ Placement on Vehicle: Front or Rear Windshield Fitment: Universal Installation This ANT-309 mini hidden antenna is easy to install. Simply peel off the adhesive tape and stick it onto the front or rear windshield of your car, truck, or boat. Usage The antenna is designed to enhance radio signal reception, reduce noise, and ensure clearer sound