The GV-GPS Receiver can work with GV-System, GV-Video Server and GV-Compact DVR to perform GPS vehicle tracking. It comes with three types of models: UART, RS-232, and USB.
Each model can only work with appropriate Hardware and Firmware version as described below:
Model
Interface
Baud Rate
Compatible IP Device
GV-GPS UART
UART
9600
GV-Video Server (GV-VS02A)
Firmware Version 1.00 or later
GV-Video Server (GV-VS04A)
GV-Video Server (GV-VS04H)
Firmware Version 1.04 or later
GV-GPS 232
RS-232
Wires
9600
GV-Video Server (GV-VS12)
Firmware Version 1.00 or later
GV-Compact DVR V1
Firmware Version 1.52 or later
GV-Compact DVR V2
Standard Model
(GV-LX4C2)
Firmware Version 1.00 or later
Anti-Vibration Model
(GV-LX4C2V)
PS/2
Connector
9600
Anti-Vibration ACC Model
(GV-LX4C2V)
Firmware Version 1.05 or later
GV-Compact DVR V3
Anti-Vibration ACC Model
(GV-LX4C3V, GV-LX8CV1,
GV-LX8CV2)
Firmware Version 1.00 or later
GV-GPS USB
USB Connector
4800
GV-System
Firmware Version 8.3.2 or later
Specifications
Chipset
Chipset
SiRF Start III
Electrical Characteristics
Frequency
L1, 1575.42 MHz
C/A Code
1.023 MHz chip ratep
Channels
20 channel all-in-view tracking
Sensitivity
-159 dBm
Accuracy
Position Horizontal
10m 2D RMS (SA off)
Velocity
0.1m/sec 95% (SA off)
Time
1 micro-second synchronized to GPS time
WAAS enabled
5m 2D RMS
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 ;
NMEA 0183 protocol supports command: GGA, GSA, GSV, RMC, VTG, GLL (VTG and GLL are optional)
GPS Transfer Rate
Default : 9600,n,8,1 for NMEA
Default : 4800,n,8,1 for NMEA (for GV-GPS USB only)
