COMTELCO A1812, A1822 A, B ________________________________________________________________ 144-174, 200-225MHz VHF NO GROUND PLANE ANTENNA Technical Specification 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: GAIN: IMPEDANCE: POWER RATING: VSWR: RADIATION PATTERN: A1812 144-174MHz A1822 200-225MHz Unity, No ground plane 2.4dB, With ground plane 50 ohms 200 watts <2.0:1 @ specified frequency Omni directional MECHANICAL SPECIFICATIONS: RADIATOR: A1812 .125 chrome plated 17-7 stainless steel tapered whip A1822 .100 stainless steel whip ABS, triple plated chrome 2” tall x 1 3/8” diameter Gold plated, spring loaded A1812 49" max. A1822 34" max. Standard TAD/NMO type BASE: CONTACT: LENGTH: MOUNTING: Ordering Information: BRITE A1812A A1822A BLACK A1812B A1822B