Homepage Crypto Index Enigma Hagelin Fialka Siemens Philips Nema Racal Motorola STK Transvertex Gretag HELL Telsy TST Mils AT&T Tadiran USA USSR UK Voice Hand Mixers Phones Spy sets Burst encoders Intercept Covert Radio PC Telex Agencies Manufacturers Donate Kits Shop News Events Wanted Contact About Links Racal KY-879/P Digital Message Device The KY-879/P is a Digital Message Device (DMD) built around 1981 by Racal Communications Inc. for the US Special Forces (SF). It is a small message terminal that allows coded messages to be sent and received in burst transmissions, to avoid detection by Radio Direction Finding (DF).   The design is based on the Racal MEROD MA-4248 the MA-4450 and the MA-4480. It is also known as part of the OA-8990/P Digital Message Device Group and as NSN 5820-001-100-3194. This page is a stub      Radios The KY-879/P was used by the US Army in combination with the AN/PRC-70 and AN/PRC-74 radios. In other countries the Racal MEROD message units were sometimes used in combination with other radios, such as the AEG/Telefunken SE-6861 that was known by the Dutch Special Forces as LAPR.   References TM 11-5820-887-10 Operator's Manual Digital Message Device Group OA-8990/P 24 October 1983, reprinted from 20 August 1982, scanned by Google. NSN 5820-01-102-3921 Further information MA-4450, a similar MEROD device Other Racal crypto devices Other Electronic Message Units Main crypto page Any links shown in red are currently unavailable. If you like this website, why not make a donation? © Copyright 2009-2013, Paul Reuvers & Marc Simons. Last changed: Monday, 01 April 2013 - 10:38 CET