{"product_id":"tram-1491-vhf-tunable-base-antenna","title":"Tram 1491 VHF 144-175MHz Tunable Base Antenna","description":"\u003ch3 data-start=\"95\" data-end=\"146\"\u003eTram 1491 VHF 144-175MHz Tunable Base Antenna\u003c\/h3\u003e\n\u003cp data-start=\"148\" data-end=\"668\"\u003eThe 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.\u003c\/p\u003e\n\u003ch4 data-start=\"670\" data-end=\"690\"\u003eKey Features:\u003c\/h4\u003e\n\u003cul data-start=\"691\" data-end=\"1414\"\u003e\n\u003cli data-start=\"691\" data-end=\"750\"\u003e\n\u003cp data-start=\"693\" data-end=\"750\"\u003e\u003cstrong data-start=\"693\" data-end=\"713\"\u003eFrequency Range:\u003c\/strong\u003e Tunable VHF 144–174 MHz (2m band).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"751\" data-end=\"823\"\u003e\n\u003cp data-start=\"753\" data-end=\"823\"\u003e\u003cstrong data-start=\"753\" data-end=\"779\"\u003eHigh Gain Performance:\u003c\/strong\u003e 7.8 dBd gain with a wide 5 MHz bandwidth.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"824\" data-end=\"924\"\u003e\n\u003cp data-start=\"826\" data-end=\"924\"\u003e\u003cstrong data-start=\"826\" data-end=\"844\"\u003eDurable Build:\u003c\/strong\u003e Heavy-duty fiberglass, 14’10” tall, designed to withstand up to 90 mph winds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"925\" data-end=\"1027\"\u003e\n\u003cp data-start=\"927\" data-end=\"1027\"\u003e\u003cstrong data-start=\"927\" data-end=\"948\"\u003eOptimized Design:\u003c\/strong\u003e 5\/8 wave elements with C-load, vertical polarization, and 50 Ohms impedance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1028\" data-end=\"1117\"\u003e\n\u003cp data-start=\"1030\" data-end=\"1117\"\u003e\u003cstrong data-start=\"1030\" data-end=\"1061\"\u003eConnector \u0026amp; Power Handling:\u003c\/strong\u003e UHF Female (SO-239) connector with 200W power rating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1118\" data-end=\"1223\"\u003e\n\u003cp data-start=\"1120\" data-end=\"1223\"\u003e\u003cstrong data-start=\"1120\" data-end=\"1143\"\u003eStatic Dissipation:\u003c\/strong\u003e DC ground construction for low noise ratio and enhanced lightning protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1224\" data-end=\"1314\"\u003e\n\u003cp data-start=\"1226\" data-end=\"1314\"\u003e\u003cstrong data-start=\"1226\" data-end=\"1248\"\u003eEasy Installation:\u003c\/strong\u003e Mounting hardware included, fits masts from 1 3\/16” to 2 7\/16”.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1315\" data-end=\"1414\"\u003e\n\u003cp data-start=\"1317\" data-end=\"1414\"\u003e\u003cstrong data-start=\"1317\" data-end=\"1341\"\u003eCustomizable Tuning:\u003c\/strong\u003e Adjustable by cutting interior sections for exact frequency alignment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tram Browning","offers":[{"title":"Default Title","offer_id":45143214850222,"sku":"1491","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0144\/1516\/7542\/files\/31MJpcSnwoL.jpg?v=1740512134","url":"https:\/\/surplusradios.com\/products\/tram-1491-vhf-tunable-base-antenna","provider":"Surplus Two Way Radios","version":"1.0","type":"link"}