Appendix B: F55/77 ADU Technical Specifications
F77 Technical Specifications
83
BBBB
B.2 F77 Technical Specifications
Item
Specification
Rx Freq. Band
TX Freq. Band
1525.0 - 1559.0 MHz
1626.5 - 1660.5 MHz
Channel Spacing
1.25 kHz
Antenna element
Gain (RX-band, typical): 19.9 dBi
Gain (TX-band, typical): 20.4 dBi
G/T
G/T
≥
-4 dBK
EIRP
Min. EIRP: 5 dBW
Max. EIRP: 32 dBW
Return loss
Better than -12 dB/50
Ω
Cable losses
RF attenuation: max. 10 dB
DC resistance (loop): max. 0.54
Ω
Max. Cable length between BDU and ADU:
•
RG214: 25 meter
•
SA 07272: 50 meter
•
SA 12272: 60 meter
ADU Input voltage
42 V
ADU Power range,
operational
12 W - 172 W
Total ADU Weight
27 kg +/- 1 kg
Summary of Contents for TracPhone F55
Page 22: ...Table of Contents x...
Page 28: ...Chapter 2 GMDSS Installations 6 Power Supply...
Page 40: ...Chapter 3 Placing the Antenna 18 Antenna Mast Design...
Page 48: ...Chapter 5 Installing the BDU 26 Grounding the BDU...
Page 54: ...Chapter 6 F77 Distress Cradle 32 Assembly Alternative...
Page 58: ...Chapter 7 F55 Passive Cradle 36 Passive Cradle Assembly...
Page 64: ...Chapter 8 Connecting Power 42 Power supply specification...
Page 84: ...Chapter 10 Hardware Interfaces 62 Discrete I O interface...
Page 116: ...Appendix C F55 77 BDU Technical Specifications 94 Measuring the Ship Source Impedance...
Page 120: ...Appendix D Distress Cradle Technical Specifications 98 Outline Dimensions...
Page 123: ...Chapter E Passive Cradle Technical Specifications Outline Dimensions 101 EEE...
Page 124: ...Chapter E Passive Cradle Technical Specifications 102 Outline Dimensions...