This is a Military Survival Radio.German Navy Tornado and Phantom Pilots Survival Radio Set Becker MR 506,this MR 506 is the carrying out to the German „Navy – Marine “ in yellow , the device of the „Air Force – Luftwaffe“ is green,technique is similar to MR 506 Navy,MR 506 is used in very good condition,, a short manual and the original styrene box is include, original battery is missing,no guarantee of function,only for display,this MR 506 is for rescue frequency of 243,0 MHz , activation in aircraft having an ejection seat,an activating unit is provided which is made up of the activating magnet,guiding hood (not include )and the rip cord,MR 506 is tropicalized and watertight to 0,981 bar,power output > 100 mW, IT IS FOR DISPLAY ONLY! COLLECTORS ITEM,not for use!. It is in very good used condition without Battery! with original styrene box,short manual and Strap pocket ,Great Collectors item or to finish your German Air Force Survival Gear Collection,Pictures are an example, you get a comparable device,include copie manual, Note that all our items are pure collector items or display items. The items are not tested for real use and have no aeronautical exams or clearances. Use is at your own risk !