PMB-688 Specifications
GPS IC SiRFstar III
Receiver: Tracking up to 20 satellites L1, 1575.42 MHz, C/A code
Accuracy: Position: 2DRMS approximately 5m, WAAS support
Velocity: 0.1 m/s without SA imposed.
Time: ±1μsec
Acquisition Time: Cold Start: 42sec (Average)
Warm Start: 38sec (Average)
Hot Start: 1sec (Min.)
Sensitivity: Acquisition: -148dBm
Tracking: -159 dBm
Dynamics: Altitude: 18000m (Max.)
Velocity: 515m/s (Max. )
Acceleration: ±4g (Max.)
Navigation update
rate :
Once per second
Serial Port : TTL
Baud Rate : 4800 bps (Optional 9600,19300,38400 bps)
Output Message: NMEA0183 V2.2 GGA, GSV, GSA, RMC (optional VTG, GLL)
Datum: WGS 84
Power supply : DC 3.3V ~ 5V
Power
Consumption :
Typical 65mA @12V
LED Function Power on/off and Navigation
Operating Temp.: -20℃~+70℃
Storage Temp.: -30℃~+85℃
Humidity: 5%~95%
Antenna Type: Built-in patch antenna
RF Connector: MMCX type (Optional : Active Antenna)