Appendix B: Technical specifications
136
FB250 antenna
B.3 FB250 antenna
B.3.1 General 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
11.0 dB min.
G/T
-15.5 dB/K
EIRP
Min. EIRP: 3.1 dBW
Max. EIRP: 16.1 dBW
Return loss
< -15 dB (reflection loss < 0.15 dB)
Cable losses
RF attenuation: max. 20 dB
DC resistance (loop): max. 1
Max. cable length between terminal and antenna:
•
RG223-D: 25 meter
•
RG214/U: 50 meter
•
S 07272B-05: 95 meter
Antenna input voltage
22.7 V
Summary of Contents for FB250
Page 13: ...Table of contents xii ...
Page 77: ...Chapter 3 Connecting power 64 Connecting power ...
Page 105: ...Chapter 5 Starting up the system 92 Operating the system ...
Page 129: ...Chapter 6 Service and repair 116 Replacing modules in 34 3052B antenna ...
Page 139: ...Chapter 7 Troubleshooting 126 Logging of events ...
Page 165: ...Appendix B Technical specifications 152 TracPhone terminal ...
Page 197: ...Glossary 184 ...