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Appendix. Specifications
The A725 addSWITCH was built to match the specification of the
ETSI 300 220, Class I, Subclasses a and b, but other national norms
are similar to this (for example, the CFR 47, Part 90, Subpart J).
Table 2 shows the main operational parameters of the A725.
Table 2. Operational Parameters
Parameter
Min
Typ
Max
Unit
Common
Supply
5.0
6.2
10.0
V
Operating Temperature
-30
+70
°C
Relative Humidity
10
99
%
Class Protection
IP65
Data Rate (using the onboard software modem)
1000
1500
a
2000
bps
Operating Frequency
b
432
470
MHz
Frequency Stability (-20 to +60 °C)
±
1.5
kHz
Frequency Stability (-30 to +70 °C)
±2.5
kHz
Receiver