COMPACtenna
CB/2M/440
Antenna

Discontinued

Are you looking for a CB base antenna for a size restricted space. This antenna is only 20 inches tall. The revolutionary COMPACtenna CB/2M/440 uses a patented design which includes magnetic-field-enhancement. This allows the extremely short antenna to perform amazingly well for its height. Coverage includes all CB channels plus it can used on the 2 meter and 440 MHz amateur bands! Power capacity is 100 Watts CB, 85 Watts 2m and 50 Watts 440. This break-through antenna was designed by Dr. Jack Nilsson N8NDL and offers superior performance on CB plus two popular amateur bands.

This antenna employs a unique magnetic field resonator (for less receiver noise), and features Electric/Magnetic Field Diversity Science & Technology design. This provides superior performance in non-line-of-sight obstructed environments, such as buildings, hills, in valley location, and indoor installations. This technology provides for a unique low-cost easy installation base station antenna in an attic as well as a variety of limited-space locations.

The CB/2M/440 antenna require a 3/8"-24 mount not included (see below). This antenna may be used successfully with a very small ground plane. A simple 3/8x24 magnetic mount can be set on a 36 by 48 inch galvanized metal plate (available from Home Depot) or even a metal table! The result is a compact, yet effective antenna for a variety of applications.

Mounting the antenna to a small flat metal sheet or mesh that is only 3 feet by 3 feet provides good (V)SWR’s and performance.
[Note: For standard type technology antennas, a ground plane this small would be inadequate for the 20 Meter band, potentially resulting not only in poor (V)SWR’s but also RF on the outside of the coaxial shield coming back down toward the radio. This is undesirable for a number of reasons including unpredictable signal patterns with the outside of the shield of the coax acting as a poor counterpoise radiator, as well as noise, and transceiver/amplifier possible concerns.]

(V)SWR: Nominal:  < 2:1 27 - 27.4 MHz (CB 11 Meter Band); 144-148 MHz (2 Meter Band); 420-450 MHz (440 Band)

One year limited mfg. warranty. Each antenna is quality tested. Made in the U.S.A.         _

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