MMCX Straight Crimp Jack for Earphone SHM.020.117 TYPE MMCX RF Coaxial Connector is a Kind of Microminiature Product Smaller than type MCX.Characteristic impedance is 50�©.The characteristic of mmcx female coaxial connector is in Small Volumeã??Light weightã??Convenient Connection and reliable.They are widely used in Connect with the RF Coaxial Cables, Transmission of RF signal,equipments or small-sized communications Network that are demanding on systematic volume and weight.by using surface mounting technology,earphone MMCX connector is suitable for mass instrument equipment production and producing on the assembly line.