User manual

SM User Manual January 2004
Software Release 4.1
10 SM MODULE SPECIFICATIONS
Table 13 provides the specifications of the Canopy SM.
Table 13: Specifications
Specification Canopy System Range
Frequency Band Ranges ISM: 2.4 to 2.4835 GHz
U-NII: 5.25 to 5.35 GHz and 5.725 to 5.825 GHz
ISM in Release 4.0 and later: 5.725 to 5.850 GHz
Access Method TDD/TDMA
Signaling Rate 10 Mbps
Maximum Aggregate
Throughput for 2.4-, 5.2-,
and 5.7-GHz SMs
Downlink: 4.6 Mbps at default allocation of 75%, but variable
based on packet size.
Uplink: 1.6 Mbps at default allocation of 25%, but variable based
on packet size.
Modulation Type
High-index 2-level FSK (Frequency Shift Keying)
(Optimized for interference rejection)
Carrier to Interference (C/I) 3 dB nominal
Receiver Sensitivity −83 dBm at 10
−4
BER
Operating Range
Up to 2 miles (3.2 km) with integrated antenna in the 5.2-GHz
and 5.7-GHz bands.
Up to 5 miles (8 km) with integrated antenna in the 2.4-GHz
band.
Up to 10 miles (16 km) with passive reflector on the SM in the
5.7-GHz band.
Up to 15 miles (24 km) with passive reflector on the SM in the
2.4-GHz band.
Transmitter Power Meets FCC U-NII/ISM and IC LELAN ERP Limit.
Antenna Integrated patch. Vertically polarized.
In 2.4-GHz band with passive reflector:
17° horizontal x 17° vertical beam width.
In 5.2-GHz band and 5.7-GHz band without passive reflector:
60° horizontal x 60° vertical beam width.
In 5.7-GHz band with passive reflector:
6° horizontal x 6° vertical beam width.
DC Power (measured at
DC converter)
0.3 A @ 24 VDC (7.2 watts) typical.
0.35 A @ 24 VDC (8.4 watts) maximum (long cable runs, high
ambient temperature, high transmit ratio). Set by downlink
percentage.
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