Telephone Systems
design, installation, service
Custom engineering at a competitive price.
Telephone set, HES 2+10 system. GPO, England, 1930s - early 1960s.
Security tools
Network monitoring
Web / intranet sites

Custom application development
Printing cryptographic terminal. Hagelin Cryptos, Switzerland, 1950s.
Saves time & money, improves productivity and sustainability. Cooperative Digital has the technology to make it work for you.
Replica GPO 746 telephone on wheels. Telecommuting: faster than a Ferrari
A solid foundation for your network infrastructure.
Voice and data, copper and fiber.
Meticulous installation
Australian telephone plug and jack: its what's down under the desks Down Under.
The impossible just got easy.
510 843-2667