GPS-FV4H: GPS Engine Board

Specification

Performance Characteristics

Receiver Type L1 frequency, C/A code, 16 Channels

Position Accuracy

w/o aid 3.3 m CEP

DGPS(WAAS, EGNOS,RTCM) 2.6 m

AGPS Support Yes

Start-up Time

Hot start < 3 s

Warm start 35 s

Cold start 41 s

Reacquisition Time < 1 s

Acceleration < 4 g

Update Rate up to 4 Hz

Timing Accuracy 50 ns RMS

Sensitivity

Acquisition -140 dBm

Tracking -149 dBm

Power

Input Voltage 5.0 ~ 12.0 V DC

Backup Voltage 1.95 ~ 3.3V DC

Power Consumption

Acquisition 101 mA @ 3 V

Tracking 84 mA @ 3 V

Sleep mode 20 mA @ 3 V

I/O

Protocols NMEA, UBX binary, RTCM

Serial Ports Two RS232s @ 3.3 V

1 PPS @ 1.8 V

Raw Measurements Pseudorange and Carrier Phase

Environment

Operating Temperature -40 0C ~ 85 0C

Storage Temperature -40 0C ~ 125 0C

Mechanical Information

Antenna

Type External Active or Passive Antenna

Input Voltage (VANT) 1.8 V ~ 8 V DC

Input Power limit (Active) < -17 dBm

Gain (Active) up to 25 dB

Supervision Build-in short circuit detection, External open

Pin No. Title I/O Note

1 VANT I Antenna bias voltage input DC 1.8~ 8.0V (connect to ground if not used)

2 VIN-2 I Voltage input 3.3V DC (MUST leave open if VIN-1 is used)

3 Ground I Ground

4 RX2 I Serial port 2 (leave open if not used)

5 TX1 O Serial port 1 (leave open if not used)

6 VIN-1 I Voltage input 5~12V DC (MUST leave open if VIN-2 is used)

7 VBAK I Backup input voltage 1.95 ~ 3.3V DC (connect to ground if not used)

8 1PPS O Time pulse (leave open if not used)

9 TX2 O Serial port 2 (leave open if not used)

10 RX1 I Serial port 1 (leave open if not used)