Bluetooth Specification; System Specification - Globalsat BT-338 User Manual

3. Specification

3.1 System Specification

Electrical Characteristics (Receiver)
Tracking Sensitivity
Accuracy
Position Horizontal
Datum
Acquisition Rate
Protocol
GPS Output Data
GPS transfer rate
Dynamic Condition
Acceleration Limit
Power
Physical Characteristics
Temperature

3.2 Bluetooth Specification

● Bluetooth V1.2 Compliant
● Supply Voltage :
● Frequency Range :
● Receiver Sensitivity :
● Transmit Power :
● Transmitting Range :
● Power Consumption :
Frequency L1, 1575.42 MHz
C/A Code 1.023 MHz chip rate
Channels 20 all-in-view tracking
-159 dBm
10m 2D RMS (SA off)
WAAS enabled 5m 2D RMS (SA off)
Time 1 micro-second synchronized to GPS time
Velocity 0.1m/sec 95% (SA off)
Datum WGS-84
Hot start 1 sec., average (with ephemeris and almanac valid)
Warm start 38 sec., average (with almanac but not ephemeris)
Cold start 42 sec., average (neither almanac nor ephemeris)
Reacquisition 0.1 sec. average (interruption recovery time)
NMEA 0183 protocol, and supports command:
GGA(1sec), GSA(1 sec), GSV(5 sec), RMC(1sec)
( VTG and GLL are optional)
38400,N,8,1
Less than 4g
Altitude Limit 18,000 meters (60,000 feet) max.
Velocity Limit 515 meters/sec. (1,000 knots) max.
Jerk Limit 20 m/sec**3
Voltage Built-in rechargeable battery(1650 mAh) and 5V DC
input charging circuit
Operation Time 15 hr. After fully recharged, in continuous mode
>20 hr in trickle power mode
Dimension 72.5mm x 40.4mm x 26mm
Weight 75g
Operating -20°~ 60°C
Storage -30°~ 80°C
Humidity Up to 95% non-condensing
2.8V ~ 3.3V
2.402 ~ 2.480 GHz
-80 dBm
Class 2
10 m (Depends on environment)
45 mA (Typical)
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