Dvbt active antenna da-100 product specifications: 1. frequency range vhf+uhf 170~240mhz with 480~860mhz 2. gain 20 dbi 3. v.s.w.r 1.5:1 4. impedence 75 ohm 5. voltage 5v or 12v 6. connector f iec sma 7. dimension 218 x 20.2 x 5.5mm 8. weight 9. this specification is subject to change without prior notice.