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 gear. 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 Nato Stock Number 5820-001-100-3194.
|Carrying case markings|
|All photos in this table via E-bay.com|
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