CALAMP WIRELESS NETWORKS INC. GPD9 Manual Do Utilizador

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G3 Installation Guide
7
1.2.1 Features
 
One-piece integrated design in a rugged die-cast aluminum chassis.
 
Parallel Decode™ (PD) technology featuring dual receivers for added decode sensitivity in
multi-path and fading environments.
 
Sophisticated DSP-based modem design provides added system performance, fewer retries and
more effective throughput.
 
Automatic channel changing for improved roaming capabilities.
 
Built–in, up to 16-channel flash
-
programmable synthesized radio transceiver with automatic
channel selection.
 
Models with on-air data speeds and modulation types as follows:
Channel spacing
Modulation
type
12.5 kHz
NPSPAC & 900 MHz
25 kHz
32.0 kb/s
32.0 kb/s
64 kb/s
SRC16FSK
28.8 kb/s
28.8 kb/s
57.6 kb/s
21.6 kb/s
24.0 kb/s
43.2 kb/s
SRC8FSK
24.0 kb/s
28.8 kb/s
48 kb/s
 
One RJ-45 10BaseT Ethernet port
 
Two available user ports using standard RS-232 interface via built-in multiplexer.
 
One USB port
 
Half-duplex operation.
 
Out-of-band signaling enables transmission of GPS reports with no effect on system
performance.
 
Next generation high efficiency airlink E-DBA protocol
1.2.2 Configuration
G3 is factory configured based on each customer network system requirements, usually by Dataradio
System Engineering. Configuration is not changeable in the field without notifying Dataradio.