A1812 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – VHF NO GROUND PLANE ANTENNA

COMTELCO
Technical Specification
A1812, A1822 A, B
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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:
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
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
A1812A
A1822A
BLACK
A1812B
A1822B