SPECIFICATIONS :
FAA TSO:  C74c, C74c
RTCA:  DO-160A 
EUROCAE:  ED-14A
Environmental:  DO-160A, categories /A2E1/B/JY/EXXXXXZ/ BZ/AZA/EUROCAE ED-14A 
Weight:  0.7 lb.
Dimensions:  3.35"H x 1.04"W x 5.00"L 
Temperature:  -55 to 70C (operation)
Altitude:  70000 ft. 
Power Requirement:  +27.5 VDC, 0.2A max