ecoLINE GSM II in brief

As a universal GSM adapter for alarm systems, ecoLINE GSM II has been developed for call forwarding over the GSM network.

Signal transmission in DTMF format

Signal transmission in DTMF format

ecoLINE GSM II sends the signals in DTMF format to the central monitoring station (Contact ID, Ademco Express)

Easy to check GSM signal strength

Easy to check GSM signal strength

With the help of the push button on the front side of the device, you can easily check the GSM signal strength any time.

Simple but great

ecoLINE GSM II can be used as a

  • GSM adapter for alarm systems,

  • GSM line simulator,

  • landline substitution option.

ecoLINE – always in line with your expectations

Nice to know

ecoLINE GSM II is capable of

  • forwarding incoming text messages,

  • supporting DTMF format, as well as

  • displaying GSM signal strength.

…and that’s not all!

You can learn more about ecoLINE GSM II at

Learn more

Our Clients say:

TELL Software is an innovative company with a wide high quality product range. They move quickly from idea to product launch and we always receive excellent support from their team. The people at TELL Software are always prepared to listen to feedback from the market and usually they implement these new ideas in their solutions.

Olle Karlstrand, ACANDIA AB, Sweden

As from 2010 already, we started as a Belgian distributor to add TELL products in our product portfolio. For many years now, we have been extremely satisfied with these products.
It concerns high quality products, which are continuously adapted to the actual market needs.
We are looking forward to continuing to do business with TELL.

Wouter Carrette, RAS bv-srl, Belgium


Do you need further information or require technical details? Are you uncertain which would be the right product for you? We are here to help!

Felícia Forró

Account Manager