A1842A MOBILEMARK | Alldatasheet

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www.mobilemark.com 1 - 847 - 671 - 6690 www.comtelcoantennas .com Technical Specification A1842A, A1842 B , A1842AS, A1842BS 406 - 512MHz UHF 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 spring loaded contact. W eatherproof: 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: 406 - 512MHz BANDWIDTH : 20MHz GAIN: Unity, No ground plane 2.4dB, With ground plane IMPEDANCE: 50 ohms POWER RATING : 200 watts VSWR: <2.:1 RADIATION PATTERN: Omni directional MECHANICAL SPECIFICATIONS: RADIATOR: .100 stainless steel whip BASE: ABS, triple plated chrome CONTACT: S pring loaded contact LENGTH: 13.5" max. (34cm) MOUNTING: Standard TAD/NMO type Ordering Information: FREQUENCY BRITE BLACK 406 - 430MHz A18 42A - 06 A1842B - 06 430 - 450MHz A1842A - 30 A1842B - 30 450 - 470MHz A1842A - 50 A1842B - 50 470 - 490MHz A1842A - 70 A1842B - 70 490 - 512MHz A1842A - 90 A1842B - 90 To order with shock spring add suffix S to the part number. Example: A1842AS - 44 or A1842BS - 44 Vertical Pattern No Ground Plane 120 150 180 210 240 270 300 330 -40dB -30dB -20dB -10dB