SG-288 Manual V1.1
Dagama Confidential
© All Rights Reserved
SG-288 Manual V1.1
3
1.3 Electrical Characteristics
General
Frequency
L1, 1575.42 MHz
C/A code
1.023 MHz chip rate
Channels
20 channels all in view tracking
Antenna
internal
Sensitivity
Tracking
-159 dBm typical
Accuracy
Position
< 10 meters, 2D RMS
< 7 meters 2D RMS, WAAS corrected
1-5 meters, DGPS corrected
Time
1 microsecond synchronized to GPS time
Datum
Default
WGS-84
Acquisition Rate (Open Sky)
Hot start
1 sec, average
Warm start
38 sec, average
Cold start
42 sec, average
Reacquisition
0.1 sec, average
Dynamic Conditions
Protocol message
NMEA-0183
Default NMEA
Altitude
< 18,000 meters (60,000 feet)
Velocity
< 515 meters/sec (1,000 knots)
Acceleration
< 4 G
Jerk
20 meters/sec max
GPS protocol
GGA, GSA, GSV, RMC, 19200 baudrate, (GLL, VTG,
and ZDA optional)
8 bits data, 1 stop bit, no parity.
Bluetooth Characteristics
BT Compliant
Version1.1
RF Tx Power
Class 2 (4 dBm max)
Receiver sensitivity
-80 dBm with BER<0.1%
Communication distance
10 meter typically
Communication profile
Serial Port Profile (SPP)
Power Consumption
Main power input
5.0 ± 5% VDC input
Operation Current
65 mA average in normal mode
