Navilock GPS Engine Board EM-411 SIRF III
Popis
EM-411 je ROHS verze původní EM-406
- SiRF Star III čipová sada
Chipset SiRF Star III
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 20 channel all-in-view tracking
Sensitivity -159 dBm
Accuracy
Position 10 meters, 2D RMS
5 meters, 2D RMS, WAAS enabled
Velocity 0.1 m/s
Time 1us synchronized to GPS time
Datum
Default WGS-84
Acquisition Time
Reacquisition 0.1 sec., average
Hot start 1 sec., average
Warm start 38 sec., average
Cold start 42 sec., average
Dynamic Conditions
Altitude 18,000 meters (60,000 feet) max
Velocity 515 meters /second (1000 knots) max
Acceleration Less than 4g
Jerk 20m/sec **3
Power
Main power input 4.5V ~ 6.5V DC input
Power consumption 60mA
Protocol
Electrical level TTL level, Output voltage level: 0V ~ 2.85V
RS-232 level
Baud rate 4,800 bps
Output message NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL
Physical Characteristics
Dimension 30mm*30mm*10.5mm ±0.3mm
Operating temperature -40? to +85?
- SiRF Star III čipová sada
Chipset SiRF Star III
Frequency L1, 1575.42 MHz
C/A code 1.023 MHz chip rate
Channels 20 channel all-in-view tracking
Sensitivity -159 dBm
Accuracy
Position 10 meters, 2D RMS
5 meters, 2D RMS, WAAS enabled
Velocity 0.1 m/s
Time 1us synchronized to GPS time
Datum
Default WGS-84
Acquisition Time
Reacquisition 0.1 sec., average
Hot start 1 sec., average
Warm start 38 sec., average
Cold start 42 sec., average
Dynamic Conditions
Altitude 18,000 meters (60,000 feet) max
Velocity 515 meters /second (1000 knots) max
Acceleration Less than 4g
Jerk 20m/sec **3
Power
Main power input 4.5V ~ 6.5V DC input
Power consumption 60mA
Protocol
Electrical level TTL level, Output voltage level: 0V ~ 2.85V
RS-232 level
Baud rate 4,800 bps
Output message NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL
Physical Characteristics
Dimension 30mm*30mm*10.5mm ±0.3mm
Operating temperature -40? to +85?
