This is a digital waterproof TV antenna with built in amplifier<br /><br />Specifications:<br />Receiving frequency range: VHF-H 170-230MHz / UHF 470-550MHz<br />Supply voltage: 5V + / - 10% only from cable(tuner)<br />Current consumption 5V in: 30Ma MAX<br />Per formation assurance temp range: -20 + 80 Celsius<br />Operation assurance temp range: -30 + 80 Celsius<br />Storage assurance tem.range: -40 + 85 Celsius<br />V.S.W.R.: <br />    Specifications<br />Specification<br />	 Type: Car Antennas                                                  <br />                        Model  : BO-0017                                                  <br />                        Material  : Plastic? Metal                                                  <br />                        Product weight   : 0.071 kg                                                  <br />                        Package weight   : 0.150 kg                                                  <br />                        Product size (L x W x H)  : 20.7 x 1.9 x 0.8 cm / 8.14 x 0.75 x 0.31 inches                                                  <br />                        Package size (L x W x H)  : 31 x 5 x 5 cm / 12.18 x 1.97 x 1.97 inches                                                  <br />                        Package Contents: 1 x Car Digital Antenna                                                	<br /><br /><br /><br />                                                <br />