An ultrasonic transducer. The ultrasonic transducer has an interposer having electrical connectivity contacts. The ultrasonic transducer also has an ultrasonic receiver, comprising an array of receiving elements, physically fixed relative to the interposer and coupled to electrically communicate with electrical connectivity contacts of the interposer. The ultrasonic transducer also has at least one ultrasonic transmitter, separate from the ultrasonic receiver, physically fixed relative to the interposer and coupled to electrically communicate with electrical connectivity contacts of the interposer.