The KG-94/94A are no longer being produced

The KG-94 is part of the WALBURN family of full duplex, high-speed key generators that provide encryption of digital traffic. This device provides full duplex/simplex encryption for all classification levels and is crypto graphically compatible and interpretable (within respective data rates). Applications include microwave trunks, high speed lanolin circuits, video teleconferencing, and T-1 satellite channels.

KG-94:

Provides emerging low and medium tactical and nontactical digital trunk encryption. It is rack mounted using the HNF-81-1/2 interconnect housing frame and supports the Joint Tactical Communications program in association with Marine Corps AN/TTC-42 and AN/TRC-170 switches.

Power: 24/48 Vdc Nominal, 23 W
Environment: Ground Mobile and/or Sheltered
MTBF: Specification is 10,000 hours @ 25C; 39,000 hours demonstrated

KG-94A:

Is an environmentally repackaged, ruggedized version of the KG-94 that supports the Marine Corps unit level circuit switches (SB-3865) and the Digital Wideband Transmission System(DWTS).

Power: 24/48 Vdc Nominal, 23 W
Environment: Tactical Mobile and/or Sheltered
MTBF: Specification is 10,000 hours @ 25C; 39,000 hours demonstrated

Repairs

Contact Director COMSEC Material Systems (DCMS) in accordance with CMS 5A "The policies and Procedures for issuing accounting, handling, safeguarding, and disposing of COMSEC Communications Security Manual" article 410 for repair/disposition instructions.