User's Manual

EX7100 Technical Manual - Introduction
©1999 Exicom Technologies (1996) Ltd 1-4 Issue 2 - February 2001
1.5 EX7100 Specifications
1.5.1 System Parameters
Frequency Bands (MHz)
138-174, 400-520
(Other bands to follow)
240-270, 335-400, 800-900, 1400
RF Frequency Stability
± 1.5 ppm
Available Digital Bandwidth
64 kbit/s
Channel Data Rate
68 kbit/s
RF Bandwidth
25kHz
Digital Interface
G.703 or V.35 synchronous
Duplexer
VHF: Internal Notch Type
UHF: External Notch Type + Band Pass
Frequency Selection
Synthesiser in 5.0 or 6.25kHz steps
Channel Selection
Via front panel LCD or external terminal
Maximum Transmitter power @
duplexer output (PEP)
UHF > +31 to +40 dBm (1.25 to 10 W) variable
> +24 to +33 dBm (0.25 to 2 W) variable
VHF > +31 to +40 dBm (1.25 to 10W) variable
> +24 to +30 dBm (0.25 to 1 W) variable
Duty Cycle
100% @ 60 °C ambient, < 3000 feet AMSL
Emission Designator
18K4D1WET
Receive Sensitivity 10
-3
BER
< -105 dBm (<1.3 µV) @ Rx input
1.5.2 Power, Mechanical and Environmental
Ambient Operating Temperature
-10 °C to +60 °C
Humidity
up to 95% relative humidity, 0 °C to +45 °C,
non-condensing
Size of basic system (H x W x D)
VHF: (3U) 135 mm x 483 mm x 425mm
1
UHF: (4U) 175 mm x 483 mm x 425 mm
1
Weight
Approx. 15 kg
Physical Mounting
Rack Mount
Line Lightning Protection
Secondary Lightning Protection
1
425mm depth dimension measured from front panel handle to end of rear panel bracket. Additional depth allowance
may be required to cater for connecting cables etc.