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GPS Simulator User Manual

Device Specifications #

Device Parameters #

  • Input Power: 220V AC
  • frequency Support : GPS L1
  • Output Signal Power: 0 to 47 dB

Device Components #

Front Panel:

EICUT GPS simulation interface showing main LCD control panel and external GPS receiver status for position and motion testing.
GPS Simulation Interface – EICUT
  1. Main Display
  2. GPS Receiver – used for testing simulator performance (can be reset using the red button. The receiver antenna must be connected to the rear panel).

Rear Panel:

GPS Simulator Rear Panel Connections – EICUT
GPS Simulator Rear Panel Connections – EICUT
  1. 220V power input
  2. GPS Receiver Antenna Connector
  3. USB Port – for connecting an external flash memory
  4. Network Port – for connecting the device to the Internet
  5. Power Button – for turning on/off or resetting the device
  6. Signal Output Port – for GPS signal simulation

Device Setup #

  1. Connect the 220V power cord to the device.
  2. Turn the red rocker switch to the ON position.
  3. Press the red push button once to power on the device.
EICUT GPS Simulator Ports Panel
EICUT GPS Simulator Ports Panel

Software Interface #

After the device powers on, the following interface appears on the LCD screen:

GPS Simulator Main LCD Interface – EICUT
GPS Simulator Main LCD Interface – EICUT
  1. Start/Stop Simulation, path mode selection (starting point with speed and angle, or path file)
  2. Select Path File
  3. Set starting point, speed, and movement angle
  4. On-screen Keyboard
  5. Manual time setting for simulated GPS signal
  6. Transmission power control

Starting the Simulation #

The GPS simulator allows two general simulation modes:

  1. Starting Point Mode: Define the coordinates of the starting point, along with speed and direction angle.
  2. Path File Mode: Define a movement path on a map and provide the corresponding waypoint file to the device.

Starting Point Mode #

Set the simulation mode to Dy loc.

Dy loc Control Button – EICUT GPS Simulator
Dy loc Control Button – EICUT GPS Simulator

 

Enter the latitude, longitude, and altitude (click on each field and use the on-screen keyboard to enter the values).

Frame 56 11zon

To simulate movement from this point, set movement parameters such as speed and direction. Click Update after entering the parameters.(Movement parameters can be changed during simulation; click Update to apply changes).

Speed, Heading, and Vertical Speed Inputs – EICUT GPS Simulator
Speed, Heading, and Vertical Speed Inputs – EICUT GPS Simulator

Finally, click Start to begin the simulation.

Start Button – EICUT GPS Simulator
Start Button – EICUT GPS Simulator

Path File Mode #

When using the path file method, you must first create a file containing movement coordinates. To create the file:

Go to https://www.google.com/mymaps on your computer.

Click CREATE A NEW MAP.

Create a New Map – Google My Maps Interface
Create a New Map – Google My Maps Interface

Draw a line on the map to represent the movement path

Add Line or Shape – Google My Maps Drawing Tool
Add Line or Shape – Google My Maps Drawing Tool

for example, a spiral path

Custom Route Example – Google My Maps GPS Path
Custom Route Example – Google My Maps GPS Path

Export the created line as a file.

Export CSV Data – Google My Maps Route Layer
Export CSV Data – Google My Maps Route Layer

Copy the exported file onto a USB flash drive and connect the flash drive to the GPS Simulator.

Set the simulation mode to Dy file loc and click Select File (wait a few moments after clicking).

Select Motion File – Dy File Loc Function
Select Motion File – Dy File Loc Function

From the dialog that opens, select your file from the USB drive. Specify the movement speed along the path and, if necessary, set the altitude above sea level. Click Start Convert to process the file.

Select CSV Route File – Start Conversion Process
Select CSV Route File – Start Conversion Process

Once the file is successfully processed, a Finish button will appear — click it.

Conversion Complete – Finish Simulation Setup
Conversion Complete – Finish Simulation Setup

movement details will now be shown in the Motion File window.

Click Start to begin the simulation.

Start Simulation – Motion File Ready for GPS Path Test
Start Simulation – Motion File Ready for GPS Path Test

Simulation Settings #

1.Output Power Adjustment

You can adjust the signal transmission power using the slider on the side of the software menu, ranging from 0 to 47 dB.

The new power level is applied automatically after releasing the slider — no additional action is required.

Adjust TX Gain Level – Signal Strength Control
Adjust TX Gain Level – Signal Strength Control

2.Time Configuration

By default, the simulated GPS signal uses the real UTC time. However, you can manually set the simulation time and date. To do this:

  1. Enable the time adjustment section.
  2. Enter the desired date and time.
  3. This configuration must be completed before starting the simulation; otherwise, it will not take effect.
  4. After setting the values, press Set to apply the time configuration.
Set UTC Time Manually – Simulation Time Adjustment
Set UTC Time Manually – Simulation Time Adjustment

FAQ #

What is the EICUT GPS Simulator?
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A professional-grade, standalone GPS L1 signal generator that simulates realistic satellite signals indoors — perfect for testing trackers, drones, car navigation, and any GPS-enabled device without leaving the lab.

What frequency and power level does it support?
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• Frequency: GPS L1 (1575.42 MHz)
• Output power: 0 to +47 dB adjustable in real time via touchscreen slider

What are the two simulation modes?
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1. Dynamic Location (Dy loc) – Set starting point + speed + heading (ideal for simple straight-line or circular motion)
2. Route File (Dy file loc) – Load a real-world path (CSV from Google My Maps) for complex routes, turns, spirals, etc.

How do I create a custom route file?
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Go to Google My Maps → Create new map → Draw your path → Export layer as CSV → Copy CSV file to a USB flash drive → Plug into simulator → Select file → Set speed → Start.

Can I change speed or direction during simulation?
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Yes — in Dy loc mode, modify speed, heading, or vertical speed at any time and press Update. Changes take effect instantly.

Can I set a custom date/time instead of real UTC?
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Yes — enable manual time section → enter desired date & time → press Set before starting simulation.

What is the built-in GPS receiver on the front panel for?
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It’s a reference receiver. Connect its antenna (rear panel) to the simulator output — it instantly shows whether your simulated signal is being received correctly (great for quick verification).

Do I need internet on the simulator?
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No — the device works completely offline. The Ethernet port is only for future firmware updates.

How do I turn the device on/off?
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1. Flip the red rocker switch to ON (I)
2. Press the red push button once to power on
3. To shut down safely: Stop simulation → Hold the red push button for 3 seconds

Is it safe to use indoors?
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Yes — the output is a low-power controlled signal designed for lab/testing environments. Always connect devices via cable (do not radiate freely in open space).

Updated on November 22, 2025

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