
- Wired and wireless networks
- Multi-access radio links
- Monitoring systems based on wireless sensor networks
- IP-based videosurveillance systems
- Fixed and mobile antenna systems
- Power systems for telecommunication systems
- Fiber Optic telecommunication systems

- Radio HF Stations
- Radiolinks
- PCM networks
- Lan networks
- PDH/SDH networks
- Application software
In the civil sector So.Tel has implemented:
- Satellite communication systems
- Communication centers
- Monitoring systems

- Armed Forces
- Telecom Italia
- Nuova Telespazio
- Ministry of Interior
- Presidency of the Council of Ministers
- Chamber of Deputies
- ENAV (National Society for Flight Assistance)
- Selex ES S.p.A.
- Alcatel Lucent S.p.A.
- Thales Italia S.p.A.
- NEC Italia S.p.A.
- Nokia Siemens
- Rai Way
- Ericsson S.p.A.
- Technosky S.p.A.

- Quality systems based on ISO 9001:2008 from IMQ.
- S.O.A. n. 11944/11/00 e 11945/11/00 del 03/10/2012.
- Authorization from PP.TT. (first degree) for the installation of telephone systems n. RM/895 del 12/11/2010.