# Guide for Navtech NV-GI120

```
NV-GI120 is a position and orientation system for automatic drive of NAV Technology. With the
high-precision GNSS board card and high-precision MEMS gyro, it has the real-time attitude 
and position resolving ability while transmitting the original data of the sensor and board card 
for post-processing high-precision resolution.

----Navtech official brochure
```

![navtech_pic](images/navtech_pic.png)

NV-GI120 integrates the GNSS receiver and MEMS IMU device into a compact package to provide high precision localization  results. It supports dual antenna configuration and multi-frequency reception. 

## Installation

![navtech_pic](images/navtech_cables.png)

1. The antennas(antennae) can be connected to the module via SMA connection.

2. A cable bundle is provided with the navigation module. One cable breaks out to multiple connectors to handle communication and configuration.

3. The configuration is similar to what can be done on Novatel devices. Please contact the vendor for detailed instructions.

4. The table for the labels on the break out cable bundle and the corresponding explanations/translations is shown below:

   | Labels         | Explanations                                     |
   | -------------- | ------------------------------------------------ |
   | PPS            | Pulse per second                                 |
   | 导航           | navigation output （replaceable by the ethernet) |
   | 板卡           | -------                                          |
   | 里程           | Odometer connection                              |
   | 调试           | configuration                                    |
   | 网口           | ethernet                                         |
   | Two naked wire | Power （red and blue)                            |
   | 扩展           | Extension                                        |

## Disclaimer

This device is `Apollo Hardware Development Platform Supported`