Flexible and easy to use. Perfectly compatible with cars. Durable construction for long-term use. Built to strict quality control standards. Resistant to damage with extended service life. Stable performance and high reliability. A suitable replacement for existing units. Item Type: Active Radio Antenna with Bluetooth Modulator Antenna Gain: 15 dBi Working Voltage: 12 V Standing Wave Ratio: < 2.5 Antenna Connector: FM Lantern Connector Antenna Cable Length: 5 m Applicable Type: Universal Car Roof Antenna Installation Instructions: 1. Place the antenna modulator behind the car stereo, such as behind the DVD player or radio unit. 2. Connect the FM male end of the antenna to the audio output port of the original car CD or DVD player. 3. Power on the mobile phone, enable Bluetooth, and pair with the device named “KROWN-6965”. 4. After power-on, the red power indicator remains lit; the blue signal indicator flashes. Once Bluetooth connection is established, the blue light remains steady. 5. Converts Bluetooth audio from a mobile phone into RF signals. Features ten selectable frequency points indicated by five LEDs per group (two groups total). The default group remains illuminated; the backup group flashes to indicate the last selected frequency. Includes power-off memory function—retains the last selected frequency upon re-powering. Condition: Color: Black Material: ABS Package Contents: 1 × Active Radio Antenna with Bluetooth Modulator Note: Color appearance may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3 cm.