รายละเอียด
Electrical Characteristics:
- code.GPS Chipset SiRF Star III e/LP
- Frequency L1, 1575.42 MHZ
- C/A Code 1.023 MHz chip rate
- Channels 20 all-in-view tracking
- Sensitivity -159 dBm
Accuracy:
- Position Horizontal 5m 2D RMS WAAS enabled
- 10m 2D RMS WAAS disabled
- Velocity 0.1m/sec 95% (SA off),
- Time 1 micro-second synchronized to GPS time
- WAAS Enabled for North America products (US GlobalSat, Inc)
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 Protocol Default: NMEA 0183 (Secondary: SiRF binary)
- GPS Output Data
- SiRF binary >> position, velocity, altitude, status and control
- Supports NMEA0183 V2.2 protocol, and supports command: GGA, GSA, GSV, RMC, VTG, GLL v2.2 (VTG and GLL are optional)
- GPS transfer rate Software command setting (Default : 4800,n,8,1 for NMEA )
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
Temperature:
- Operating -40?~ 85?C
- Storage -40?~ 85?C
- Humidity Up to 95% non-condensing
Power:
- Voltage 4.5 ~ 5.5V DC Input
- Current 80mA typical
Physical Characteristics:
- Dimension 2.08" diameter x 0.75" (53mm dia. x 19.2mm)
- USB Cable Length 60" (152 cm)
- Magnetic base
- Water proof
Low Noise Amp:
- Amplifier Gain w/out cable 27 dB Typical
- Filtering -25dB (+100 MHz)
- Output VSWR 2.0 Max.
- Voltage DC 3 ~ 5.0V
- Current 15mA max @ 5VDC
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