1.frequency FM40 transmitter 2.similar with futaba 3PM 3.have mass car control parameters adjusting and setting. Frequency: ... ,Changeable Tuner,Memory of 10 models,Completely Compatible with FUTABA 3PM. Adjustable parameter:NAME/EPA/EXP/ABS/D/R Accept to ... sell receiver alone, Single FM40 receiver 7USD/PCS FM40 3channels 3PM computer radio control