1. Replace the old or broken antenna mast. 2. Made of high quality metal and plastic. 3. Direct replacement of your stock antenna mast. 4. Frequency: 144/430 MHz 5. Gain: 2.15/5.2 dB 6. Power: 100 W 7. Impedance: 50 ohm 8. Total length: 740 mm 9. Weight: 220 g 10. Base size: 21.43 mm
