SPECIFICATIONS :
Weight:  1.4 lbs.
Dimensions:  2.50"W x 3.125"H x 6.80"L 
Related documents:  FAA TSO C37b, C38b, C40a, C41c, C66a, C74c; RTCA DO-160 Env Cat. A2D1/B/PKS/EXXXXXZBAZZ ARINC Specification 410
Temperature:  -20 to +70 C (operating) 
Altitude:  51000 ft. max.
Shock:  6 g for 11 ms 
Explosion:  Procedure I
Electrical input:  24.8 to 30.3 V dc 
Voltage spike:  600-V, 10-us spikes
RF susceptibility:  DO 160 paragraph 20.0 
Af conducted susceptibility:  DO 160 paragraph 18.1
Induced signal susceptibility:  DO 160 paragraph 19.0 
Emission of rf energy:  DO 160 paragraph 21.0
Display type:  Gas discharge 
Display dim:  Controlled by external 1 kohm potentiometer
Tune outputs:  Ground/open signal capable of sinking 100 mA dc 
Channel Spacing:  500 kHz
Frequency Range:  190.00-1749.5 kHz