A1813A MOBILEMARK | Alldatasheet
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www.mobilemark.com 1 - 847 - 671 - 6690 www.comtelcoantennas .com Technical Specification A1813 A, A 18 1 3 B, A 1823 A , A1823 B 132 - 280 MHz 3dB Gain BASE LOADED MOBILE ANTENNA Performance: 3dB gain is achieved with these premium antennas by featuring a 5/8 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 mat erials and finishes available. The base is triple plated chrome brass with a large insert molded low loss coil form and a spring loaded contact. Broadband: The large diameter coil form used in the construction of the loading coil allows for a wider oper ational bandwidth and better matching characteristics than competitive models. Weatherproof: O ring seals and overlap construction keep moisture out of the antenna. Economical: These base loaded antennas feature a great price to performance ratio. Standa rd Mounting: All Comtelco base loaded antennas mate with the standard TAD/NMO type mount. ELECTRICAL SPECIFICATIONS: FREQUENCY RANGE: 132 - 280MHz GAIN: 3dB BANDWIDTH: 7MHz IMPEDANCE: 50 ohms POWER RATING : 200 watts VSWR: <1.5:1 RADIATION PATTERN: Omni directional MECHANICAL SPECIFICATIONS: RADIATOR: BRITE A: Tapered stainless whip .125 dia. BLACK B: Tapered stainless whip .100 dia. BASE: ABS, spr ing loaded contact LENGTH: 52" (1.3m) Maximum, *(55" A1813 - 32) (1.3m) WEIGHT: < 1 lb. (453g) MOUNTING: Standard TAD/NMO type Ordering Information: FREQUENCY BRITE BLACK 132 - 174MHz A1813A - 32* A1813B - 32* 144 - 174MHz A1813A - 44 A1813B - 44 200 - 250MHz A1823A - 00 A1823B - 00 250 - 280MHz A1823A - 50 A1823B - 50 To order with shock spring add suffix S to the part number. Example: A1813AS - 44 or A1813BS - 44 Cutting chart included for specific frequencies . Vertical Pattern 330 300 270 240 210 180 150 120