System specification
Electrical Characteristics
GPS standard: SiRF Star III
GPS Antenna: Built-in patch antenna
Operation time: Up to 24 hrs
Charge time: 7 hrs
Battery Charging: USB connector @ 350mah
Power button
Power On/Off: Press and hold for 3 second to On/Off the device.
Instant Save: Press button once to save a waypoint manually when device is active.
Status LED’s
GPS status: Flashing Green – GPS position is fixed.
Steady Green: GPS position is not fixed.
Power status-Solid Red – Device is power on.
Flashing Red: Device is in low battery power.
Solid Amber: Battery is being charged.
Memory status: Flashing Blue – Memory is 2/3 full.
Solid Blue: Memory is full.
Temperature
Operating--20°C ~ 50°C (-4°F ~ 122°F)
Storage--20°C ~ 35°C (-4°F ~ 95°F)
Humidity-Operational up to 95% non-condensing
Slide Switch
One Slide Switch: There are three customized setting of intervals.
A (interval 1 Time or Distance selectable)
B (interval 2 Time or Distance selectable)
C (interval 3 Time or Distance selectable)
Battery
Battery Type: Two NiMh Rechargeable Battery
Mechanical
Dimension: 3.15”X 2.75’’X 0.7’’

GPS specification
Electrical Characteristics
GPS Chipset: SiRF Star III
Frequency: L1, 1575.42 MHz
C/A Code: 1.023 MHz chip rate
Channels: 20 channel all-in-view tracking
Accuracy
Position Horizontal: 10 meters, 2D RMS
1-5 meters 2D RMS, WAAS corrected
Velocity: 0.1m/sec
Time: 1 micro-second synchronized to GPS time
Datum
Datum Default: WGS-84
Acquisition Rate
Hot start: 1 sec., average
Warm start: 38 sec., average
Cold start: 42 sec., average
Reacquisition: 0.1 sec. average
Protocol
GPS Protocol: Default: NMEA 0183 (Secondary: SiRF binary)
GPS Output format: GGA(1sec), GSA(1sec), GSV(5sec), RMC(1sec), GLL, VTG is optional
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