1973 – TELSY presents its first Synchronous Telephone Scrambler – STS – A state of the art encryption device operating in the frequency domain;
1975 – STS is enhanced thanks to the introduction of a Rolling Code;
1976 – Italian Police Forces, Carabinieri and Guardia di Finanza adopt TS500, a time division scrambler introduced in the Italian market at that time. A sample of the TS500, together with some other TELSY devices developed later, is on show at the Crypto Museum; cryptomuseum.com/crypto/telsy/index.htm
1978-81 – TDS2004 replaces the TS500. It is an extremely advanced, bi-dimensional scrambler (time and frequency). It operates in full duplex, which enables use on PSTN lines. Gretag in Switzerland has sold the TDS2004 as an OEM product.
1984 – TX900, the first Italian fully digital scrambler based on Fast Fourier Transform (FFT) is presented to the market
1985 – TELSY, being at that time the first user of TEXAS TMS32020 (DSP) processors, launches TY5000, a fully digital, DSP based encoder, equipped with a 2400b/s LPC Vocoder.
1988 – Telsy produces the first high miniaturization of a fully digital ciphering monophone for mobile radio use.
1990 – Telsy starts producing the CR7000 ciphering telephone for PSTN and FAX networks and which employs LPC10 and CELP vocoders. Thomson (Thales today) has sold the CR7000 as a OEM product for many years.
2004 – TCH01 appears on the market, a miniaturized, digital encryption module handset held, capable of operating on analog radios through highly sophisticated HF, VHF and UHF modems
2010 Telsy produces and sells the BFT01 , a Blue Force Tracking & Situation Awareness system employed on several theatres of operations;
2012 – Telsy introduces a cyber security system – TSCS (Telsy Secure Cloud System) – to the market. The TSCSis a secure platform for Government and Corporate users allowing supply of multimedia services through both mobile and desktop secure terminals (VOIP, data and video).
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