Electrical Characteristics
Chipset: SiRF Star III
Memory: 16M bit
Frequency: L1, 1575.42 MHz
C/A Code: 1.023 MHz chip rate
Channels: 20 all-in-view tracking
Tracking Sensitivity: -159 dBm
Accuracy
Position Horizontal: 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
Datum: WGS-84
Acquisition Rate
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)
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: 38400,N,8,1
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: 20 m/sec**3
Power
Voltage: Built-in rechargeable battery(1800 mAh) and 5V DC input charging circuit
Operation Time: 25 hr.  After fully recharged, in continuous mode
>30 hr  in trickle power mode
Physical Characteristics
Dimension: 72.5mm x 40.4mm x 26mm
Weight: 75g
Temperature
Operating: -20°~ 60°C
Storage:    -30°~ 80°C
Humidity: Up to 95% non-condensing  
● Bluetooth V1.2 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 : 45 mA (Typical)