Temperature minus 95 degrees to 168 degrees; humidi type 0 to 100 percent; pressure 5 to 1060 mbar; transmitting freq range 400 to 406 mhz; receiving freq range 12-25 khz; 24 vdc; 5 in lg by 7 in w by 13 in h; 25 oz; mounting data: attaches by string to sounding balloon; material: lightweight styrofoam and polystyrene case; designed for balloon-borne use
