MRTBMedical Radiation Technologists Board (est. 2003; Wellington, New Zealand)
MRTBMultidrug-Resistant Tuberculosis
MRTBMetallic Return Transfer Breaker (electrical energy)
MRTBMulti-function Radar Transponder Beacon
MRTBMedium Range Thermal Binocular
References in periodicals archive ?
The MRTB is a stand-alone, lightweight, observation and targeting device used by Marines in all lighting conditions, including total darkness and at times when vision is obstructed by smoke, fog or sandstorms.
The MRTB provides thermal imaging capability to the Marine Rifle Squad, Machine Gun Squad and other Marine Corps units.