Profile: MetroTel Corporation is a manufacturer of telecommunication test equipment and accessories. Our product line includes cable & pipe locating kit, amplifiers, volt ohm-meter, digit grabber, remote call diverter, voice network analyzer and control unit. Our voice network analyzer is specifically designed as a multipurpose test set for installation and maintenance work in a telephone environment. Our MT 147D is a solid state amplifier intended to facilitate testing and fault locating work with exploring coils & other testing apparatus.