This is an all-metal, dual VHF/UHF antenna. The antenna is extremely rugged in construction to provides a high degree of structural rigidity and protection from rain erosion as well as sand and gravel abrasion.
The S65-111-309 antenna is DC grounded to eliminate “P” static and is hermetically sealed for a long service life.
The antenna is interchangeable with the Collins 37R-2U antenna.
Federal & Military Certifications:
TSO C37b, C38b, C59, MIL-A-6271A, MIL-A-9094C, MIL-A-7772B (ASG), MIL-E-5272C, and MIL-E-5400.

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