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TECHNICAL FEATURES
139
6
6.4 SYSTEM AND RADIO FEATURES
Radio Features
European Models USA Models
Working Frequency 433.92 MHz 910 MHz
Bit Rate 19200 36800
Effective Radiated Power <10 mW <1 mW
Range (in open air) 30 m 15 m
RF Modulation FSK
System Configurations
OM-GRYPHON™ STARGATE™
Maximum number of devices per
base stations
16 255
Maximum number of devices in the
same reading area
2000
Maximum number of base stations
in network
16
6.5 STATUS INDICATORS
The reader has three indicators, LED, Beeper and Good Read Spot. The OM-
GRYPHON™ and C-GRYPHON™ cradles have three indicator LEDs. They signal
several operating conditions which are described in the tables below.
H
= high tone
L
= low tone
GRYPHON™ D/M READER START-UP
Beeper
¹
Meaning
L L L L Parameters loaded correctly
H H H H
long tones
Parameter loading error, reading or writing error in the non volatile
memory
H L H L Hardware error in EEPROM
GRYPHON™ D/M READER CONFIGURATION
Beeper
¹
Meaning
H H H H Correct entry or exit from Configuration mode
L Good read of a command
L L L Command read error