Retemsa is a European technology company specialized in electronic systems used in communications, security and defense.

The company is characterized by its flexible and innovative approach, creating advanced solutions underpinned by own R&D and technologies, all supported by a highly qualified professional team.

Currently the company offers solutions through three divisions:

Telecom Division provides coverage enhancement systems for Mobile Operators used to improve radio signals in difficult areas like parking lots, underground stations, tunnels, buildings or rural regions.

The design and the technologies used in our repeaters fulfil the most demanding telecom norms, and they are developed on the basis of world-wide telecommunications standards as GSM, UMTS, CDMA, etc.

Our coverage enhancement solutions are thought to minimize total cost of ownership for Mobile Operators, optimizing equipment investment and diminishing the engineering costs, installation or infrastructure. This has made top tier international operators to trust Retemsa's solutions, Retemsa has delivered its repeater solutions to international operators like VODAFONE, ORANGE, TELEFONICA MOVILES, PROXIMUS, TURKCELL or MEDITEL.

Our proprietary feedback cancellation “switched” technology enables RETEMSA to offer easy to install repeaters leading to low cost applications, reducing antenna, infrastructure or power requirements.

The capacity to provide tailor made solutions is one of the aspects that has positioned the company as one of the most efficient and flexible in this competitive sector, reaching an important international presence.

Logical Security Division develops hardware acceleration and cryptographic modules complying with the most recognised standards in the field and which have been certified by the Spanish National Cryptography Center (CCN).

The Logical Security division is formed by a team of professionals whose mission is the provision of integral confidence: involved with the client, own technology, quality and open solutions based on standards.

The division track record includes successful relations with clients like the Spanish Ministry of Defense and other Spanish government organizations, as well as with important private companies.

Our products are oriented to the integral management of cryptographic material and basic technologies to ensure the success in mission critical architectures: PKI, key distribution, VPN, workflow, etc.

Electronic Defence Division designs and commercializes electronic countermeasures solutions focused to the military sector and security forces, also making tailor made developments.

The offered solutions are centered in two applications: frequency inhibitors (jammers) against improvised explosive devices (IED); inhibitors of mobile communications for safe areas (prisons, military installations, etc.).

The switched technology developed by RETEMSA, allows immediate detection of activity in any frequency and applies interference power where really there is need. In this way, an intelligent emission is guaranteed, diminishing the energy requirements while enabling communication windows in specific required frequencies.