User's Manual
Table Of Contents
- Contents
- 0. Revision History
- 1. Introduction
- 2. Product Overview
- 3. Get Started
- 3.1. Open the Case
- 3.2. Install a SIM Card
- 3.3. Install the Internal Backup Battery
- 3.4. Switch on the Backup Battery
- 3.5. Install the External GPS Antenna
- 3.6. Power Connection
- 3.7. Ignition Detection
- 3.8. Digital Inputs
- 3.9. Analog Inputs
- 3.10. Digital Outputs
- 3.11. Device Status LED
- 3.12. Serial Port/UART Interface
- 3.13. Reset Button
- 4. FCC Statement
GV300TP User Manual
TRACGV300TPUM001 - 14 -
3.5.Install the External GPS Antenna
The GPS antenna is bought by the users themselves from a third party. GV300TP will
automatically detect and use an external antenna when connected.
We recommend the users to use an external antenna with following specifications:
GPS antenna
Specification
Frequency
1575.42 MHz
Bandwidth
>5 MHz
Beam width
>120 deg
Supply voltage
2.7V-3.3V
Polarization
RHCP
Gain
Passive: 0 dBi min
Active: 15 dB
Impedance
50Ω
VSWR
<2
Noise figure
<3
3.6.Power Connection
PWR (PIN11)/GND (PIN6) is the power input pin. The input voltage range for this device is from
8V to 32V. The device is designed to be installed in vehicles that operate on 12V or 24V systems
without the need for external transformers.