Model noú¦ At007n1g4 Product s/nú¦ 10100701xx Product parameters: 824-894; 880-960; 1710-1880;1850-1990(mhz) Product introduction: Frequency range (mhz) 824-894(gsm850), 880-960(egsm900) 1710-1880(dcs1800), 1850-1990(pcs1900) Gain (dbi) >1 Swr less 2.5: 1 Nominal impedance (ohm) 50 Connector of antenna ssmb-jd002 Polarization vertical Color optional Dimensions (mm) 56*15*9 Weight 2.8g