C/o 10 mhz stable freq.Refer.Oscillator; output 0.5 volt rms; signal noise, 1 hz bandwidth; input power 22.5 to 32 volts dc; rubidium lamp monitor volt 4-12v DC vcxo monitor volt 6-17v DC atom1c resonance locked oper.Signal 120ohm; matt.Mil-f-14072, type ii; dim.5.420 in.Lg; 4.560 in.W