A1801A MOBILEMARK | Alldatasheet
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www.mobilemark.com 1 - 847 - 671 - 6690 www.comtelcoantennas .com A1801 A , B A1801 A H ,B H Technical Specification A1801AS,BS A1801AHS,BHS 27 - 54 MHz Unity Gain Series or Shunt Fed BASE LOADED ANTENNA Performance: This premium unity gain antenna is available in both a series fed and shunt fed version. It has 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 with a large insert molded low loss coil form and a spring loaded contact. Broadband: The large diameter coil form used in th e construction of the loading coil allows for a wider operational 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. Standard Mounting: All Comtelco base loaded antennas mate with the standard TAD/NMO type mount. ELECTRICAL SPECIFICATIONS: FREQUENCY RANGE: 27 - 54MHz GAIN: Unity 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, spring loaded contact LENGTH: 52" (1.3m) Maximum MOUNTING: Standard TAD/NMO type Ordering Information: SERIES FED SHUNT FED A1801A - 27 27 - 31MHz A1801 A H - 27 2 6 - 31MHz A1801A - 30 30 - 35MHz A1801 A H - 30 30 - 35MHz A1801A - 34 34 - 40MHZ A1801 A H - 34 32 - 37MHz A 1801A - 40 40 - 47MHz A1801AH - 37 36 - 40MHz A1801A - 47 47 - 54MHz A1801 A H - 39 39 - 45MHz A1801AH - 47 47 - 54MHz To order with shock spring add suffix S to the part number. Example: A1801AS - 27 or A1801HAS - 27 To order black version replace the letter A with the letter B. Vertical Pattern 120 150 180 210 240 270 300 330 -40dB -30dB -20dB -10dB