K40 Whip Antennas are made of the finest quality materials to stand up
to the most rugged conditions while delivering maximum power transfer.
And you can use your K40 Whip Antenna with complete confidence, because
we guarantee it for five full years.
With its 180° whip action capability, the
principle advantage of the K40 Superflex Whip is its ability to
withstand extreme shock obstructions
without breakage. In two, three, four, and 41/2 foot lengths.
Adjustable tuning whip
The exclusive K40 tuning whip simplifies matching the antenna to your
system. To fine tune the VSWR with a VSWR meter, move the whip up or
down in 1/8" increments.
Determining which way to move whip
If Channel 1 VSWR is higher than Channel 40 VSWR - the whip should be
If Channel 1 VSWR is lower then Channel 40 VSWR - the whip should be
4-1/2 Foot model SF500 discontinued