Comparaison Transpondeur Becker  -  Trig TT21
Becker
ATC 4401-1-175
Becker
ATC 6401-2-(01)
Trig
TT21
Nominal Output Power (measured at rear connector) 175 Watts 150 Watts 130 Watts
Price for transponder only $2070 $2903 $1845
Altitude Encoder Requires External Requires External Built-in
Price for transponder, altitude encoder, and wiring harness $2486 $3319 $1990
Mode* Mode C Mode S Mode S
Class** Class 2 Class 2 Class 2
Level*** N/A Level 2 es Level 2 els
Maximum Altitude**** 15,000 ft 15,000 ft 15,000 ft
Input Voltage 9.5 to 32.2 VDC 10 to 33 VDC 9 to 33 VDC
Input Current (standby) 0.27 A at 13.75 V 0.22 A at 14 V 0.15 A at 14 V
Input Current (typical) 0.40 A at 13.75 V (175 W) 0.43 A at 14 V 0.28 A at 14 V
Input Current (standby) - including ACK A-30.4 altitude encoder 0.37 A at 13.75 V 0.32 A at 14 V Built-in Alt. Encoder
Input Current (typical) - including ACK A-30.4 altitude encoder 0.60 A at 13.75 V (175 W) 0.63 A at 14 V Built-in Alt. Encoder
How is it programmed with the aircraft's unique ICAO address, etc? Programming not Required Address Module Required
Programmed by Dealer
Data entered using buttons
and knobs on control unit.
1090ES/ADS-B data-out N/A 1090ES/ADS-B out 1090ES/ADS-B out
1090ES/ADS-B data-in for traffic data N/A 1090ES/ADS-B in no
Dimensions 61.3 x 61.3 x 204 mm
(2.413 x 2.413 x 8.03 inch)
61.3 x 61.3 x 205 mm Controller: 45 x 45 x 64 mm
Transponder: 62 x 45 x 141 mm
Weight 725 g (1.598 lb) 800 g 1.0 lb (450 g)
(less than 100 g for controller

Lors du montage de l'antenne du transpondeur, bien faire attention que le boulon de connexion du fil de l'antenne ne touche le châssis (Carbonne ou métallique) cela risque de provoquer des parasites dans les autres boitiers électroniques

Transpondeur mode S  :un niveau minimal de transpondeur exigé
Mode S & 8,33 KHz
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