This antenna can be used to transmit and receive.Mainly for communications, electromagnetic monitoring, electromagnetic interference fields.high-gain, low VSWR , it is made of  Aluminum,light weight,stable performance,beautiful shape,strength ,Environmental adaptability.   Our double ridge horn antenna series covers 0.8GHz ~ 40GHz, according to user we can be customized requirements in different frequency ranges and different performance double ridge horn antenna. Parameters are as followsproduct namedouble ridge horn antennamodel numberCCA-DRHorn-1-18GFrequency range(MHz)1-18VSWRtyp.<2:1polarizationLinear polarizationVertical beamwidth typ.50Horizontal beamwidthtyp.40Gain(dBi)typ.11Front to back ratio(dB)≥20Impedance(Ω)50Maximum power(W) 100Connector TypeN-50K / SMA-50K or BJ26(WR340)Size(mm)241×160×204Weight(kg)1.5installationConsult