1.4 Basic technical characteristics
Tab 1
S-2420
GSM/GPRS/Bluetooth
GSM frequency bands
GSM 850, EGSM 900, DCS 1800, PCS
1900
GPRS class
B, multislot class 12
Transmitter power
Class 4 (2W) в GSM 850 и EGSM 900;
Class 1 (1W) в DCS 1800 и PCS 1900
Maximum speed of data transfer/reception, kbit/s
85,6
SIM card holder 1
external with the plug, miniSIM
SIM card holder 2
no
GSM-signal jammer detector
yes
Bluetooth
yes, v 4.0
GNSS
Supported navigation systems
GLONASS/GPS/Galileo/QZSS
Number of channels
tracking: 33, Figureking-up: 99
Sensitivity (in laboratory conditions)
tracking: -167 dBm
cold start: -149 dBm
Time of first coordinates determination (for GPS and GLONASS systems with
a signal of -130 dBm)
cold start: 29 sec
warm start: 22 sec
hot start: <1 sec
Coordinates error, (50% CEP, 24 hours in static mode, with
signal levels -130 dBm), m
2.5 (in plan), 5 (in height)
Coordinate update rate, Hz
1
GNSS jammer detector
yes
Power supply
Operation supply voltage, V
1
9,5…47
Current consumption at 12 V voltage in operation mode on
Average
2
, mA
80
Current consumption at 12 V voltage with turned off
GLONASS and GSM modules is no more than, mA
20
Maximum current consumption at 12 V voltage in the operation with the
charge of the battery is not more than, mA
200
Protection against polarity reversal
yes
Protection against prolonged overvoltage up to 500 V
yes
Battery
3
no
Battery protection from recharge, full discharge, short circuit
4
no
Quartz crystal unit
no
Backup battery of the navigation module
yes
Time of keeping of the RTC clock rate and ephemeris in a navigation module
(with the power off and discharging of the battery) is at least, days
5
Battery charging from USB
no
Interfaces/sensors
Inputs against power surges, V
up to 200
Total number of universal (analog, discrete, pulse-frequency) inputs
3
Built-in pull-up resistor for discrete or pulse-frequency inputs
no
Measuring range by inputs, set up as analog, V
0…31
Working range with frequency fuel level sensors, Hz
1 - 3000
USB interface for settings, control, data transfer and diagnostics
yes
RS-485 digital interface
no
RS-232 digital interface
no
Summary of Contents for SMART S-2420
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