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Sp
ecification
s
79
P/N:
1001608
‐
01
Table
7.
GRX2
Digital
UHF
II
Modem
General
Specifications
Parameter
Specification
Operating frequency range
a
UHF 400 – 470 MHz
Modulation techniques
GMSK and 4-Level FSK (4FSK)
Protocols
b,c
Satel 4FSK
PDL GMSK
PDL 4FSK
TrimTalk GMSK
Occupied bandwidth
a
(channel spacing)
25 kHz, 20 kHz or 12.5 kHz
Data transmission rate at 25 kHz
Channel Spacing
9600 bps GMSK
19200 bps 4FSK
Data transmission rate at 20 kHz
Channel Spacing
4800 bps GMSK
9600 bps 4FSK
Data transmission rate at 12.5 kHz
Channel Spacing
4800 bps GMSK
9600 bps 4FSK
Data speed of serial interface
Max 115200 bps
Forward Error Correction
Yes
Scrambling
Yes
Communication mode
Half-Duplex