SPECIFICATIONS:
TSO:  C41c, Env CAT/AD/A/JNG/AAAXXXXXX, class A selectivity
RTCA document:  DO-138, DO-142 
Weight:  4.2 lbs.
Temperature:  -54 to +55 C (continuous) 
Altitude:  To 60000 ft.
Power Requirements:  27.5 V dc, 600 mA
Frequency control:  BCD digital, four wires per decade
Operational modes:  ANT, ADF, TONE/ CW 
Types or reception:  AM,CW,MCW
Frequency range:  190 kHz to 1749.5 kHz in 6 bands 
Tuning increments:  0.5 kHz
Bandwidth:  2.8 kHz at 6 dB nominal 
Spurious response:  At least 80 dB below desired response
Audio output:  100 mW into 600 ohm load 
CW ident:  1000-Hz tone
Sensitivity:  Per RTCA paper DO-142