comtelco technical specification a1812, A1822 a, b ________________________________________________________________ 144-174, 200-225mhz vhf no ground plane antenna performance: these antennas feature a 1/2 wave whip with a base loaded matching coil. they have a power handling capacity of 200 watts. stylish and durable: these antennas are manufactured using the finest corrosion resistant materials and finishes available. the base is triple plated chrome brass. dependable: the large diameter low loss coil form is insert molded and features a gold plated spring loaded contact. weatherproof: o ring seals and overlap construction keep moisture out of the antenna. mounting: these antennas mount on standard motorola type tad/nmo type mount. electrical specifications: frequency range: a1812 144-174mhz A1822 200-225mhz gain: unity, no ground plane 2.4db, with ground plane impedance: 50 ohms power rating : 200 watts vswr: <2.0:1 @ specified frequency radiation pattern: omni directional mechanical specifications: radiator: a1812 .125 chrome plated 17-7 stainless steel tapered whip A1822 .100 stainless steel whip base: abs, triple plated chrome 2? tall x 1 3/8? diameter contact: gold plated, spring loaded length: a1812 49" max. A1822 34" max. mounting: standard tad/nmo type ordering information: brite black a1812a a1812b A1822a A1822b
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