Vest Mounted Antenna System (VMAS) TNC 90° – Tactical Radio Antenna
The Vest Mounted Antenna System (VMAS) TNC 90° is a U.S.-made, body-worn antenna engineered for VHF/UHF handheld radios (30–512 MHz). Designed for intra-squad communications, it routes from a handheld radio, over the shoulder, and into the back webbing — ensuring maximum operator mobility, visibility, and concealment in the field.
Durability and Compliance
Built for harsh conditions, the VMAS features a cut- and abrasion-resistant sleeve. It is UL/CSA flame-resistant (VW-1) and Berry Amendment compliant, ensuring both safety and reliability in demanding operational environments.
Tactical Advantages
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Improved concealment compared to whip antennas
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Unobstructed movement with antenna routed behind the operator
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Reliable performance across 30–512 MHz
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Right-angle TNC connection reduces cable strain and keeps a low profile
Technical Specifications
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Connector: TNC Male (90° right-angle)
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Frequency Range: 30–512 MHz broadband
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Impedance: 50 Ohms nominal
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Gain: Up to 3.5 dBi
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VSWR: <2.3 (30–110 MHz), <3.5 (110–300 MHz), <4.4 (300–512 MHz)
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Polarization: Vertical
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Pattern: Omni-directional
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Max Height: 49"
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RF Power Capacity: 8W CW
Connectivity and Adapter Options
The TNC 90° connector allows direct, secure integration with radios like the PRC-163, PRC-148, and PRC-152. For broader compatibility, DISCO32 offers a 50% discount on select adapters when purchased with the VMAS:
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Black TNC → SMA-F: adapts to Baofeng and similar handheld radios
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Black TNC → SMA-M: adapts to Yaesu and similar radios
Backed by a 1-year manufacturer’s warranty, the VMAS TNC 90° is a rugged, reliable, and operator-focused communications solution, trusted by professionals who require both performance and durability.
FAQs
What radios are compatible with the VMAS TNC 90°?
Radios with TNC connectors, including PRC-163, PRC-148, PRC-152, and others. With adapters, it supports Baofeng, Yaesu, and commercial handheld radios.
Why a 90° connector?
The right-angle TNC reduces strain on cables, fits closer against gear, and makes routing cleaner for vest-mounted configurations.
What frequency coverage does it provide?
Broadband 30–512 MHz coverage with optimized performance across tactical VHF/UHF bands.
Is it compliant with U.S. military standards?
Yes — it meets Berry Amendment requirements and UL/CSA VW-1 flame resistance ratings.
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