User's Manual

Antenna Considerations
Note – Please use care when removing the radio antenna. The AQUA antenna contact tip
is designed for maximum efficiency and very low loss.
To maintain its integrity, do not remove the top cap from the radio housing.
Figure 4.12 Proper Antenna Mounting
A Technical Specifications
Technical Information
Table A.1 shows the technical information for the AQUA
radio-modem. This information is subject to change without notice.
Table A.1 Technical information
Specification
Physical
Size 220 mm W x 440 mm H x 85 mm D
Weight 2.7 kg
Environmental
Operating temperature –40° to +70°C
Storage temperature –40° to +85°C
Humidity Exceeds MIL-STD-810E (aggravated
cyclic humidity), sealed to ±34.5 kPa ±5
psi), immersible to 1 m
Vibration 9.8 gRMS, 20–2000 Hz random vibration
Electrical
Power consumption:
Receive 380 mA (4.6 W at 12 VDC)1
Transmit (peak current) 1100 mA (13.2 W at 12 VDC)1
Protection Reverse polarity; load dump
Input range 10 VDC to 32 VDC unconditioned
Connector
Type 8-pin male Bendix
Provides Power, 2 serial ports, CAN interface
Indicators Power, status, and network sync LED
Radio Performance
450 MHz
Range
Optimal 10 km (6 miles), line-of-sight
Typical 3–5 km (2–3 miles) Varies with terrain and
operating conditions. Repeaters may be