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MFJ-1866
Skyband Discone Antenna
Instruction Manual
Thank you for purchasing the MFJ-1866, Skyband Discone Antenna. Please read this
instruction manual completely and thoroughly before using the MFJ-1866.
Specifications:
•
Frequency: Receive: 25-1300 MHz
Transmit: 144-220-440-900-1290 MHz
•
Maximum Power: 200 W
•
SWR: 1.5
•
Connector: SO-239
•
Mast diameter: 1.37 inch (35 mm)
Installation Instructions:
•
The MFJ-1866 is designed to be mounted on any 1.37-inch (35mm) pipe.
•
Feed your coax through the pipe.
•
Tightly screw your coax onto the SO-239 connector of the MFJ-1866.
•
Insert the pipe you selected into the base of the MFJ-1687 and tighten the setscrews, so that the
base is securely attached to the pipe.
•
Screw in all 8 of the 11-inch radials horizontally around the top of the base as shown. Use a
wrench to tighten the radials.
•
Screw in all 8 of the 32.5-inch radials in the lower row of holes at an angle as shown. Use a
wrench to tighten the radials.
Notes:
•
If you install the radials before securing the base onto the pipe, you may have trouble tightening the
setscrews on the base.
Warning:
•
Always place the antenna in a location away from people. Serious RF burns may occur if a person
comes in contact with the antenna.
NEVER INSTALL AN ANTENNA IN A LOCATION WHERE CONTACT
WITH POWER LINES IS POSSIBLE. DEATH OR SERIOUS INJURY MAY
OCCUR.