User's Manual

53
Appendix.Specifications
The RA440 remote wireless modem was intended to fulfill 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 3 shows the main operational parameters of the
RA440.
Table 3. Operational Parameters
Parameter Min Type Max Unit
Common
Supply Voltage (internal battery) +5.6 +10 V
Supply Voltage (external battery)
+11.5
a
+18 V
Operation Temperature -20 +55 °C
Relative Humidity 10 99 % rH
Class Protection IP65
Data Rate (GSM/GPRS modem - GPRS mode) multislot,
class 10
Data Rate (ISM modem) 1000
1500
b
2000 kbps
Operating Frequency (low-band version)
c
432 450 MHz