Operation Manual

A Technical Specifications
42 SiteNet 450 Operation Manual
A.1 Technical Information
The table shows the technical information for the SiteNet 450
radio-modem. This information is subject to change without notice.
Table A.1 Technical information
Specification
Physical:
Size
Weight
85 mm (3.4") W x 270 mm (10.5") H plus
antenna height
0.9 kg (2.0 lb)
Environmental:
Operating temperature
Storage temperature
Humidity
Vibration
–40° to +65°C
–40° to +85°C
Exceeds MIL-STD-810E (aggravated cyclic
humidity), sealed to ±34.5 kPa (±5 psi),
immersible to 1 m
8gRMS, 20–2000 Hz random vibration
Shock:
Operational
Survival
±40 g, 10 msec
±75 g, 6 msec
Electrical
Power consumption:
Nominal
Tra nsmit
Protection
Input range
250 mA (3W)
1
1000 mA (12 W)
1
Reverse polarity
10.5 VDC to 20 VDC unconditioned
SN450.book Page 42 Friday, October 5, 2001 5:01 PM