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Author: Admin | 2025-04-28
Delta Modulation combined with a 60-bit stream cipherand was intended for use in combination with the RT-3600radio that was used by the Dutch Armed Forces.➤ More information Spendex-40 was a secure military crypto phone,developed by Philips Usfa around 1980.It was compatible with the American STU-IIand used the highly secretSAVILLE encryption algorithm.Spendex 40 was used by NATO, the Dutch Army, the Dutch Governmentand the major Dutch telecom operator PTT.It was phased out in 2009.➤ More information Spendex 50 was a wide band digital voice and data terminalused by the Dutch Armed Forces as part of the ZODIAC communications network.It uses Delta Modulation for speech and was NATO-approved.It is also known as DBT.➤ More information PNVX was a series of secure crypto telephones,developed by Philips for secure voice, fax and datatransfer over standard (analog) telephone lines. It was mainly intendedfor use by the Dutch Government and large (approved) corporations.The PNVX has now largely been phased out andreplaced by modern alternatives.➤ More information Following the success of the PNVX crypto phone, Philips also developeda fax encryptor that was based on the same encryption engine.It was suitable for all Group 3 fax machines and was connected betweenthe fax and the analogue telephone line.➤ More information The Philips PFX-PM was a portable half-duplex radio with digitalencryption. It was based on a PFX radio, built by PhilipsRadio Communication Systems (PRCS, formerly: Pye) in Cambridge (UK).In 1990, Philips Usfadeveloped the UP 2093 half-duplex crypto modulethat fitted the extended version of the PFX radio.➤ More information The UA8296 was a small hand-held military-grade message terminal, intendedfor sending secure text-based messages over a narrow band radio channel,using Audio Frequency Shift Keying (AFSK).It was in fact a rebadged Nokia PARSA, that was mainly sold to the DutchDepartment of Defence (DoD) as a hand-held patrol terminal.➤ More information PX-1000 was a pocket-size hand-held message terminal (pocket telex)that could be used for sending secure message over standard telephonelines, using a built-in acoustic modem. The messages were encryptedwith DES.The PX-1000 was manufactured by Text Lite, but was also marketed byPhilips. A year after the introduction, the NSA persuaded Philipsto buy the entire stock
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