Appendix 3. Specifications
AP3-1
AP3.1 FELCOM-500
1. GENERAL
1.1 Transmit frequency 1626.5 MHz to 1660.5 MHz
1.2 Receiving frequency 1525.0 MHz to 1559.0 MHz
1.3 Channel interval 1.25 kHz
1.4 G/T Better than -7dB/K
1.5 EIRP 22 dBW
2. ANTENNA UNIT
2.1 Antenna type Patch antenna
2.2 Gain Greater than 17dBi
2.3 Axial ratio Less than 2.0dB
2.4 Antenna beam width 22° approx. (at –3 dB)
2.5 Stabilization Three-axis control
2.6 Positioning Az: 0° to 360°, El: 5° to 90°
2.7 Position accuracy Within 0.6dB (95% time)
2.8 Tracking Electrical beam tracking system
3. COMMUNICATION UNIT
3.1 Communication services
Voice 4 kbps AMBE+2 or ISDN3.1 kHz audio
Data ISDN UDI: 64 kbps/RDI: 56 kbps
Standard IP Data 432 kbps (Best effort)
Streaming IP Data 8, 16, 32, 64, 128, 256 kbps (QoS)
Short message service Up to 160 characters
Facsimile Group 3 facsimile via 3.1 kHz audio
3.2 Modulation QPSK, 16QAM
Appendix 3. Specifications
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