Basic unit gg8099d3 imu; dim. 20.74 in. W by 20.48 in. L by 17.86 in. Ht; allow 0.4 in. Min clearance around all sides of imu for isolator displacement; dynamic environment: random vibration freq bandwidth 10-2000 hz; sine vibration freq 5-2000 hz; amplitude peak 5 ghz; 115 volts ac; 28 volts dc