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Tsunami MP.11 Antenna Installation 
 
Copyright © 2006 Proxim Wireless Corporation.  All rights reserved. 
26 
 
Figure 4.  Clearance Factor Diagram 
DISTANCE ASSUMPTIONS AND EXPECTATIONS 
Model 5054 
Assumptions 
•  Point-to-multipoint configuration using USA regulations for L and U bands, ETSI regulations for M bands 
•  Clear line-of-sight with no unusual multipath 
•  Sector antenna (17 dBi, 60º) at Base Station with 20 feet LMR-600 cable 
•  Three-foot parabolic dish (31.4 dBi) at Subscriber Unit with 20-foot LMR-600 cable 
•  With a fade margin minimum of 10 dB to 2 miles, and 0.2 dB additional fade margin for every 0.1 miles, to 15 
dB, availability is greater than 99.99%. 
Expectations 
5.25 – 5.35 GHz 
0.9 miles at peak performance (36 Mbps mode) 
Up to 2.8 miles maximum (6 Mbps mode) 
5.47 – 5.725 GHz 
0.85 miles at peak performance (36 Mbps mode) 
Up to 2.65 miles maximum (6 Mbps mode) 
5.725 – 5.850 MHz 
4.0 miles at peak performance (36 Mbps mode) 
Up to 11.2 miles maximum (6 Mbps mode)