We are offering gsm yagi antenna. we have gsm yagi antenna electrical specifications frequency range -mhz800mhz-960mhz, 1880mhz-1930mhz v.s.w.r=1.5 gain-dbi -15, 18 polarization-vertical impedance-o 50 maximum input power -w 100 mechanical specifications connector -tnc or other hmore...