... ( W) 50; Max-power(W) 50; Gain GSM Antennas yagi antenna Model : TDJ -1800-YACC Electrical Data Elements 5-10 max ... high sino-foreign joint venture enterprise , main production rebber antenna ,yagi antenna ,PCB antenna and sping coil antennas , we also can accordance with ... 4, excellent engineer, Independent design capabliity5,Good reputation high quality wifi yagi antenna GSM 900 /1800