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4 L GmbH
Oberzeiherstr. 1
CH-5079 Zeihen

Welcome to the home page of 4L. We are developer and manufacturer of innovative and good priced hard- and software for the business of transportation and logistics.

Our main product is System ARVY , an entity which enables you to maintain all the prescribed paper work and to keep track of all relevant information regarding work and rest times of driving professionals in a simple, efficient and inexpensive manner. 

What's new?

  • 18.Mar.1999: We solved our problems with the e-Mail system. We apologize for the inconveniences.
  • 20.Feb.1999: Our homepage has moved. You find us now under www.4l-gmbh.ch . Many thanks to our former host USRSOFT . Please update your bookmarks accordingly. 
  • Update to Version 1.89 (software) and 2.11 (firmware) is available by now (take a look at the update page ). Please note, that although the older Firmware V1.61 is still included in the setups, it is no longer supported and developed.
  • The interim regulation for the Swiss tachographs expired the 30. September 1998!
  • We are prize-winner of the W. A. de Vigier Foundation (German / French )
  • We are looking for sales partners for the French Switzerland, Germany and France! Those interested are requested to contact Mr Matthias Lemblé.
Thank you for taking the time to stop by our site.

You reach us by phone +41 (0)62 867 40 00 , fax +41 (0)62 876 31 11 or e-mail sales@4l-gmbh.ch

© 4 L GmbH, 17.04.1999 Please send your suggestions about this homepage to webmaster .