Product ID:MA-80I-10 Frequency Band:690~960/1710~2170/2400~2700MHz Nominal Impedance:50 ohm Polarization:Vertical V.S.W.R:2.0:1 晟輝科技股份有限公司 AIR WAVE CO., LTD. Taiwa Antenna manufacturer We have with long experience in the manufacture of the antenna