adaptor for motorola HT1000 with dual jacks two way radio adaptor one jack for optional Adaptor for two way radioMOTOROLA GP1200, GP900, HT1000, JT1000, MOF230, MT2000, MT2100, MTS2000, MTX-LS, MTX838, MTX8000, MTX9000, PTX1200, XTS3000, XTS3500 etcdual jacks,allowing operation of an remote earphone with standard plug used for motorola GP300,GP3688 etc. adaptor for two way radio motorola HT1000