Used Tram 1491 VHF 144-175MHz Tunable Base Antenna
The Tram 1491 is a high-performance omnidirectional VHF base antenna, engineered for reliable communication across the 144–175 MHz frequency range. Standing at nearly 15 feet tall with heavy-duty fiberglass construction, this antenna is ideal for amateur radio operators, emergency services, and business applications requiring consistent, wide-area coverage. Its tunable design allows precise adjustments for optimal performance, while the DC-grounded construction ensures static dissipation and lightning protection.
Key Features:
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Frequency Range: Tunable VHF 144–174 MHz (2m band).
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High Gain Performance: 7.8 dBd gain with a wide 5 MHz bandwidth.
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Durable Build: Heavy-duty fiberglass, 14’10” tall, designed to withstand up to 90 mph winds.
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Optimized Design: 5/8 wave elements with C-load, vertical polarization, and 50 Ohms impedance.
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Connector & Power Handling: UHF Female (SO-239) connector with 200W power rating.
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Static Dissipation: DC ground construction for low noise ratio and enhanced lightning protection.
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Easy Installation: Mounting hardware included, fits masts from 1 3/16” to 2 7/16”.
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Customizable Tuning: Adjustable by cutting interior sections for exact frequency alignment.