Specifications

Airmux-200 Ver. 1.750 Description of Parameters C-1
Appendix C
Link Budget Calculator
C.1 Overview
The Link Budget Calculator is a utility for calculating the expected performance of
the Airmux-200 wireless link and the possible configurations for a specific link
range.
The utility allows you to calculate the expected RSS of the link, and find the type
of services and their effective throughput as a function of the link range and
deployment conditions.
The Link Budget Calculator is supplied on the Airmux-200 Manager CD. After
installation, it may also be accessed from the menu bar of the Airmux-200
Manager (see
Figure C-1 ).
Figure C-1. Accessing the Link Budget Manager Calculator
C.2 Description of Parameters
The parameters described in this section are indicated in Figure C-2 .
A Fade Margin (FM) the margin taken in consideration as part of the parameters
needed as spare for high availability. Min level accepted by the LBC is 6dB.
B EIRP Tx Power + Antenna Gain (*) – in some products they are limited to a max
value due to local regulation and type approval.
Example 1:
10 x Log (Value in mW) = (Value in dBm)
1W is the maximum EIRP (Tx Power + Antenna Gain (*)) that is allowed in
5.4 GHz ETSI products by ETSI regulation, (*) considering cable loss.
Note: 3 dB = 2 x Power
1W = 1000 mW  10 x Log (1000) = 30 dBm