KJM is dedicated to providing the finest in shipboard equipment. Our products are built to withstand the
harsh marine environment, and are designed by people with over three decades of experience in the marine
industry.
Please read the following pages before attempting installation to ensure complete understanding of
the A1790-V VHF Antenna.
A1790-V is a high performance 17’ 6”foot commercial grade 9dB antenna designed to transmit and receive
on Marine VHF channels. Ideal for installations on large yachts, commercial vessels and base stations, each
antenna is supplied with 20’ of low loss RG-8X and terminated with a pre-installed FME connector make the
A1790-V antenna easy to install as there is no soldering required.
White 17’ 6” Foot marine VHF antenna with 9dB Gain
Phase ½ wave elements to Collinear array
1"-14 chrome-plated brass ferrule
Brass radiators for maximum transmit and receive performance
FME male termination
Supplied with 20’ of low loss RG-8X and terminated with FME (mini UHF) connector
Cable is extendable using up to 3 optional AC200 cables
Adaptor FME male PL259
to PL259 male Male connector
M100 M200 AC200
Ratchet Mount 4’ Straight Mount 20’ RG-8X Cable
This antenna will read “open circuit” when tested with an ohm meter or continuity tester.
For installations where the cable exits through the bottom center of the antenna’s ferrule, replace the grommet
at the exit hole in the ferrule with the supplied Grommet Plug
FCC Information:
The antenna must me located at least 3’ away from passengers in order to
comply with FCC RF exposure requirements.
For best performance:
The antenna should be mounted as high as possible.
Keep the antenna away from large metal objects and other
radiating devices like RADAR and other antennas.
The A1690-V Antenna is supplied with 20 feet of RG-8X low loss
coaxial cable with pre-installed FME connector on both sides for
maximum radiation and interference rejection.
Install a stand-off bracket (not included with the antenna) 3-4 feet
above the antenna’s base. Follow the directions included with the
mount you choose.
Do not shorten the 20’ cable; instead simply coil and tie-wrap the
excess cable in a secure location.
The cable may be extended using the optional 20’ RG-8X coax
cable (up to 3 can be connected).
ACCESSORIES (not included)
