User's Manual

16 System Description
Chapter 1 - Products Description
1.6 Si CPE Specifications
1.6.1 Radio
Table 1-14: Si CPE Radio Specifications
Item Description
Frequency Band TDD Frequencies (MHz) FDD Frequencies (MHz)
2.3 GHz 2305-2360 Not Applicable
2.5 GHz g 2496-2690 Not Applicable
3.5 GHz 3399.5-3600 Uplink: 3399.5-3500
Downlink: 3499.5-3600
3.65 GHz 3650-3675 Not Applicable
Operation Mode
 TDD, Half Duplex
 FDD, Half duplex (3.5 GHz band only)
Channel Bandwidth
 1.75 MHz (only in FDD mode in the 3.5 GHz band)
 3.5 MHz
 5 MHz (only in TDD mode)
Central Frequency
Resolution
0.125 MHz
Internal Antennas (Si) A beam switching antennas array providing 360° coverage.
Antenna gain (typical): 7 dBi for 2.3/2.5 GHz units, 9 dBi for 3.5 GHz units
External Antenna Port SMA, 50 Ohm
Max. Input Power
(at antenna port)
-20 dBm before saturation
0 dBm before damage
Output Power
(at antenna port)
2.3 GHz: 23 dBm +/- 1 dB maximum
2.5 GHz: 24 dBm +/- 1 dB maximum
3.5 GHz: 23 dBm +/- 1 dB maximum for units with RF Version 11,
22 dBm +/- 1 dB maximum for all other units
ATPC Dynamic range: 45 dB minimum
Modulation Downlink: OFDM; Uplink: OFDMA-16
BPSK, QPSK, QAM16, QAM64
FEC Convolutional Coding: 1/2, 2/3, 3/4