Dikom DBT-268 User Manual - page 4
DBT-268 Bluetooth GPS Receiver User’s Guide
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
Normal: 5~25 meters CEP without SA
Enable EGNOS or WAAS:
Position
Velocity 0.1
meters/second
Time
1 microsecond synchronized to GPS time
Datum
Default WGS-84
Limitation
Altitude
Velocity
Acceleration
Jerk 20
meters/sec
max.
Acquisition Rate
Hot start
Warm start
Cold start
Re-acquisition
0.1 sec. (interruption recovery time)
GPS protocol
Protocol message
NMEA-0183
Default NMEA GGA, GSA, GSV, RMC, 38400 baud rate, (VTG, GLL, and
RMS 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
Communication distance 10
meter
typically
Communication profile
Serial Port Profile (SPP)
Power Consumption
Main power input
5V DC input.
Main power input
3.3 ±5% VDC from internal Lithium-ion battery pack
Operation Current
75~85 mA total typical in normal mode
DBT-268 User’s Guide v1.0
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