Tunnel Phone Rugged, Pocket-Sized, 2-Wire Local Battery (LB) Analog Field Telephone for Tactical and Subterranean environments where RF signals are obstructed or impractical. Engineered to meet stringent MIL-STD requirements, it is ideal for use in tunnels, mines, bunkers, and other hostile or enclosed operational zones. Built for tactical deployment, the Tunnel Phone features a robust H-350/U type handset compatible with military helmets and audio accessories. Its durable construction ensures resistance to shock, dust, moisture, and temperature extremes, making it suitable for both stationary installations and mobile field operations. Applications include wired communication in underground mines and tunnels, secure voice links for warfighting soldiers in RF-denied environments, and long-distance analog communication between fixed points in harsh terrain. Designed with a focus on mission-critical reliability, the Tunnel Phone ensures uninterrupted voice connectivity in the most demanding operational scenarios.
