MN-100 MN-100L
(for 1.5 MHz to 30 MHz)
Thank you for purchasing this Icom product.
These antenna matchers have been designed for Icom
HF transceivers.
Please read all instructions carefully before installation to
get maximum performance and full value from the transceiver.
To put a full size antenna on a yacht or boat is very difficult.
However, these antenna matchers have been designed to
put an antenna in such restrictions of space, and give low
VSWR with short antenna elements on wide frequency range
of 1.5 MHz to 30 MHz. So, you can obtain the best performance from the transceiver.
MN-100 : For dipole or whip antenna
MN-100L : For whip antenna only
• Max. input power : SSB
200 W pep
100 W
• Frequency range : 1.5 MHz to 30 MHz
• Input impedance : 50 Ω unbalanced
• Insertion loss : Approx. 6 dB
• VSWR : Less than 2.0 with supplied antenna
• Operating temp. : –30˚C to +80˚C; –22˚F to +176˚F
• Dimensions :
Projections not included
180(W)×65(H)×55(D) mm
; 73⁄32(W)×29⁄16(H)×25⁄32(D) in
Projections included
MN-100310(W)×100(H)×58(D) mm
; 127⁄32(W)×315⁄16(H)×29⁄32(D) in
MN-100L245(W)×100(H)×58(D) mm
; 921⁄32(W)×315⁄16(H)×29⁄32(D) in
• Weight (approx.) : MN-100
1.27 kg; 2 lb 13 oz
1.23 kg; 2 lb 11 oz
nSupplied accessories
q Antenna wires MN-100
8 m ���������2
MN-100L 15 m ��������1
w Nuts ����������������������4
e Spring washers �����������������4
r Flat washers ������������������4
t Mast mounting brackets �������������2
y U bolts ���������������������2
u Rubber vulcanizing tape �������������1
i Insulators MN-100 ������������2
MN-100L ������������1
o Wire clamps MN-100 ��������� 4 sets
MN-100L ��������� 2 sets
!0 Grounding wire �����������������1
Icom, Icom Inc. and the Icom logo are registered trademarks of Icom
Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.
nConnector assembly
qPL-259 connector is not supplied with the MN-100/L, so
please prepare suitable connector for the coaxial cable
you desired to use.
wCut end of the cable evenly. Remove vinyl jacket 29 mm
(11⁄8˝). Please do not nick the braid.
eBare 15 mm (5⁄8˝) of the center conductor without nicking
the conductor. Trim braided shield 14 mm (9⁄16˝) and tin it.
Slide the coupling ring on the cable.
rScrew the plug assembly on the cable. Solder plug assembly to the braid through solder hies. Solder the conductor to the contact sleeve. Screw the coupling ring on
the assembly.
tAttach it to the connector of the MN-100/L, and cover the
connector with the supplied rubber vulcanizing tape.
DDipole antenna installation (only MN-100 can be used)
DWhip antenna installation (both MN-100 and MN-100L can be used)
qFirst, decide the place where you attempt to put the antenna.
wAttach the antenna wires supplied to the terminals on the
both side of MN-100 as shown in the figure.
eIf the antenna wires are too long for the place, cut the
antenna wires to desired length. At this time, each wire
should be the same length.
rAttach coaxial cable to the connector of MN-100 with a
PL-259 connector. Refer to the connector assembly instructions on the front page.
tAttach the MN-100 onto the antenna mast with the supplied mounting hardware. The mounting hardware is adjusted for 25 mm to 63 mm (1˝ to 21⁄2˝) tubing.
If your antenna mast differs from this size, please make a
mounting attachment suitable for it.
yStretch the antenna wires to both side so that the wires
are in line, and hold each end to a mast or other suitable
construction with a wire or rope.
• Dipole antenna
Antenna wire terminal
When the MN-100 is used:
qConnect the right side antenna wire terminal to the body
with the supplied grounding wire.
Then join two supplied antenna wires, and connect one
end to the left side antenna wire terminal as shown in the
When the MN-100L is used:
qConnect one end of the supplied antenna wire to the antenna wire terminal.
wAttach the MN-100/L to a balustrade of the deck or other
suitable portion of the yacht or boat, where is an adequate
ground connection, with the supplied mounting hardware.
If the attached portion is not grounded or on wooden or fiberglass boat, use a copper ground plate as the ground
portion of the keel and connect between the ground terminal and there with another wire.
eAttach the other end of the antenna wire to the mast or
other suitable portion as high as possible so that the antenna wire is stretched in line.
rIf the antenna wire is too long, cut the wire so that the antenna wire is a stretch line when installed.
• Whip antenna
Coaxial cable
• Antenna wire installation
Wire clamp
• Antenna wire joining
Total length
Whip antenna
installed on a
Wire clamp
• Grounding wire attaching
Grounding side
indication label
Wire clamp
Coaxial cable
Screw to
the body
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
Printed in Japan
© 2008 Icom Inc.