Tramigo T23

T23 is the only tracking device that uses easy to understand landmarks to show it’s location. The location is determined by GPS satellites and you use a regular GSM phone to send and receive text messages from your T23. It is NOT a navigation device, but instead helps you keep your family, friends and assets safe.
The Global Positioning System, usually called GPS, is the only fully-functional satellite navigation system. A constellation of more than two dozen GPS satellites broadcasts precise timing signals by radio, allowing any GPS receiver to accurately determine its location (longitude, latitude, and altitude) in any weather, day or night, anywhere on Earth.

GPS has become a vital global utility, indispensable for modern navigation on land, sea, and air around the world, as well as an important tool for map-making and land surveying. GPS also provides an extremely precise time reference, required for telecommunications and some scientific research, including the study of earthquakes. GPS receivers can also gauge altitude and speed with a very high degree of accuracy.
Many factors affect how accurate your GPS is. The atmosphere, the ionosphere and the position of your receiver could all affect GPS accuracy. Any buildings, natural structures or heavy foliage that obstructs the GPS' view of the sky may decrease the position accuracy.
Yes, think of your T23 as another phone. You insert a SIM card and that phone number is where you send your text messages to.
Your T23 will store up to 20 outgoing messages until it is connected to the GSM network. Incoming messages to your T23 are stored in the GSM network.
Your T23 stores your location when you enter the building and once outside and moving it will start updating your location again. The same applies to tunnels.
  • Check if the unit has power and not sleeping. You may see this with its green LED blinking. If this is your first use or the unit has been stored, charge the battery for 3.5 hours.
  • If your T23 is installed then verify that GSM is working by calling the unit to see if you hear a ring tone.

If no ring tone:
  • There may be no GSM coverage, so move the unit to a suitable location.
  • Verify that the PIN code was removed from the SIM.
  • Remove the PIN code from the SIM.
  • Verify you have the correct phone number.
  • Verify that the SIM is properly inserted.

If you hear a ring tone:
  • Verify that the pre-paid SIM has credits (you can check that the SIM is ok by inserting it in a mobile phone and sending an SMS).
  • Verify the user has a high enough authority to send the command.
  • Verify that your phone number is correct in the user list. If you are not sure you can easily re-register yourself as the owner by sending OWNER,password to the unit.
  • Remove and re-insert the battery in the unit, or send the BOOT command via SMS to your T23.
There are 3 user levels in the system:

1. Owner - Can issue configuration commands and all below.
2. Friend - Can use the reporting of the system and Guest commands.
3. Guest - Can issue Find, Help and Status commands.

Unregistered users and users without high enough security will not receive any response from the T23. This prevents unauthorized access of your location.

The owner sets a password that can be used to re-register if your phone is lost.
You can re-register yourself as an owner by sending OWNER,password to your T23.
You can update the landmarks in your T23 for over 220 countries.
1. There should be no nearby tall buildings or houses.
2. Antenna signal will not pass through metallic or magic type tint.
3. Vehicle should not be moving when trying to get your first fix.
4. Units should not be placed or covered behind metal objects.
5. Acquiring your first location should take only 1 to 5 minutes with a good GPS signal in the area. Should the acquiring of a signal take too long, simply remove the unit's battery and re-insert it again - this re-starts the search process.
With ideal conditions 1 to 5 minutes the first time you use the unit. The unit can re-establish its location in a few seconds.
T23 can hold over 15,000 landmarks. Users can add hundreds of their own landmarks.
  • Check that the battery is installed.
  • If first use or after a long period of storage, charge the battery for 3.5 hours. The power light will come on in 5-10 minutes.
  • Replace the battery. Like mobile phones a T23 battery will wear out after a few years.
One day with constant usage and weeks with limited activity. This is determined by how much time the unit is sleeping.
Press and slide the battery cover. Gently push the notch lock of the battery. Lift the battery out.
T23 is designed only to use power when moving. T23 goes to sleep one hour after a trip or 10 minutes after waking up. T23 uses progressive sleep modes to save battery life. These modes are configurable.

  • The first mode shuts off the GPS and wakes up once an hour for 6 hours.
  • The second mode shuts off the GPS and GSM and wakes up once an hour for 5 days.
  • The third mode is like the second but wakes up once a day until the battery is depleted.

T23 wakes up when movement is detected, the ignition is turned on, a button is pressed, or when an SMS is received (sleep mode 1 only). You can turn sleep mode off, or change the wakeup time and length of the sleep modes.
No, only one zone may be active per user. If you add a new zone the existing one shall be replaced. Each user can set their own zone, so the T23 can keep track of 10 zones.
Our T23 Manufacturing and Assembly is ISO certified, and copies of the certificates are available upon request.
There are several ways:

  • Send VERSION command to the unit.
  • Take out the battery and check the sticker on the unit.
  • Check the box of your T23 under the barcodes.

To know that your T23 is not a fake, check that the IMEI on the sticker under the battery is the same as the IMEI mentioned in the output after sending VERSION command to the unit.
Since every landmark is selected and geo-referenced individually (Tramigo does NOT use inaccurate and generalized third party data), the position accuracy of our landmarks is extremely high (within 20 meters), much higher than the general industry standard.
Because of the memory size limitations of Tramigo T23 (15000 landmarks maximum), the size of every TLD is optimized in a way that Point of Interest landmarks cover all capitals and major cities and as many villages as possible.
Landmark density varies from capitals and major cities (50 - 500 meters) to rural areas where village density defines distance of individual landmarks.
TLD landmarks are available for every country, excluding Japan, South Korea and North Korea (countries without 2G GSM network).
Landmarks that are used for tracking purposes always include plenty of intelligence in a way how local landmarks are selected. TLD does not include all landmarks, only meaningful landmarks with local significance for tracking usage. This guarantees best possible user friendliness and functionality together with T23 features.
Due to the dynamic and chancing nature of landmarks, Tramigo is committed to continuous updates of its data to ensure the best possible quality of every TLD. Landmarks for every country are updated and verified several times every year.
You can add your own landmarks into TLD by using the “AddPlace” feature (See T23 Manual).
You can mail feedback and suggestions to
TM is a PC program that allows you to update the software and landmarks in your T23 unit. You can also load pre-set configurations for the various T23 install options. You can download Tramigo Manager from
T23 can store up to 20 SMS messages and will send at the first opportunity once GSM signal has been retrieved. Incoming SMS to your T23 are stored by the GSM operator.
Use the LB (LowBalance) command if your credit reports are via SMS. T23 will forward to you an SMS message from the mobile number you have specified in the LB command.
T23 will only store one user location with the same name, so if you add another landmark (using the AddPlace command) with the same name, the first landmark is deleted.
Contact support for assistance in creating a custom Language File (LF) for your application.
M1 Move is a software for your smart phone that provides menus for using your T23 and can display the locations on your mobile.

See the user manual for system requirements and features. You can download M1 Move from
M1 Fleet is a software for PC that provides simple fleet management and location displays on a map. See the user manual for system requirements and features.
Send the command Coord,on>Coord,dec to your T23 and send a Find command again. Successive reports will now be shown on the map.
There is no limit set to the number of vehicles you can add, however you should limit the number of incoming SMS as the modem can only handle between 10-20 concurrent SMS before it will bog down. If setting automatic find reports, then space them out to reduce load on the modem. Also use the distance find to reduce the load when Tramigo’s are not moving.
Phones are not suitable as an SMS modem because they are hard to keep running over long periods of time. Phone chargers are not designed to be plugged in for weeks, so for M1 Fleet use the Siemens modems we recommend. They will run for months without a problem.
1. Turn on periodic find, either time or distance.
2. Turn on trip reporting.
3. Gather trip and location reports.
4. Double click on a Trip report to see the trail on the map.
Possible causes: You have no Internet connection, or you replied No when your firewall software asked to allow M1 Fleet to connect to the Internet. You may have an office firewall blocking access.
Possible causes: No or slow Internet connection. Web based maps site blocked by administrator (firewall) - try searching for a new online map. Coordinates not in report - re-register T23 to turn on coordinates.
Just re-add the Tramigo and your old reports will still be listed.
M1 will only add a report if the phone numbers match. Check that the phone number in the Tramigo Settings tab matches the phone number of the incoming SMS.

It could also be SPAM SMS that the system received. To see the raw SMS in the database see the section in the User Manual on Exporting Data.
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