General Index
Receivable frequency L1,1575.42MHZ
C/A code 1.023MHZ chip rate
Channel 20
Sensibility
Search -159dBm
Track -159dBm
Precision
Location 7m CEP 90％，3m CEP 50％（SA off）
Speed 0.1 m/s
Location time
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)
Dynamic condition
Acceleration Limit      Less than 4G
Altitude Limit          18,000 meters (60,000 feet) max
Velocity Limit          515 meters/sec. (1,000 knots)max
Jerk Limit       20m/sec**3
GPS protocol
GPS Output Data     NMEA 0183 protocol, and supports command GGA (1sec), GSA (1 sec), GSV (5 sec), RMC (1sec)( VTG and GLL are optional)
GPS transfer rate      9600,N, 8 , 1
Power
Voltage               Built-in rechargeable battery(750 mAh) and 5V DCinput   
Charging circuit              
Operation Time       15 hr. After fully recharged, in continuous mode >20 hr in Trickling power mode
Physical Characteristic
Dimension       72.5mm x 40.4mm x 26mm
Weight          70 g
Temperature
 Operating       -20°~60°C
 Storage         -30°~ 80°C
 Humidity        Up to 95% non-condensing
Bluetooth Specification
● Bluetooth V2.0+EDR Compliant
● Supply Voltage:      2.8V ~ 3.3V
● Frequency Range:    2.402 ~ 2.480 GHz
● Receiver Sensitivity:   -80 dBm
● Transmit Power:       Class 2
● Transmitting Range:   10 m (Depends on environment)
● Power Consumption:    30 mA (Typical)