Welcome to C21 Systems

C21 is a UK based systems integration and solutions company. By incorporating both a hardware/software design house, and a solutions consultancy under one roof, we are able to provide the best possible custom solutions for our customers. We are currently active in a range of markets, and have products meeting the requiremets of commercial, industrial and military customers.
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Wireless 2.4GHz

C21 offer modular wire-less solutions aimed at battery powered, point to point, and point to multi-point communications link requirements. Features include; very small footprint, easy link configuration, flexible operation, high speed bidirectional error corrected data links, fully addressable nodes, low power, modular design, and simple interfacing.

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Network Audio

Network Audio is a unique system solution for the reliable distribution of audio over IP.

The solution consists of both server side software and client side dedicated hardware to provide a fully manged distribution system. Typical scenarios/applications for the use of this technology are in-store and hotel radio where zero maintenance and 24/7 reliability is key.

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