WT-DVB-YR-3900 Iis a  kind of carry receiving antenna which developed  according to the digital television DVB system. The series of this kind is nice,convenient, performance are excellent, high frequently. It is the best choice for the user.

main parameter:

Frequency Range:（MHz）:470～860(UHF
gain:(dBi):18~20
VSWR:(VSWR) :≤3.5

Impedance（Ω）:50 or 75 
                Heigh: （mm）:148
           Working Voltage: +5V