M2 Antenna Systems 20M6-125 User Manual

M2 Antenna Systems, Inc.

Model No: 20M6-125

SPECIFICATIONS:

Model ........................................ 20M6-125

Frequency Range ...................... 14.0– 14.350 MHz

*Gain, (FS) / Over gnd ............... 11.19dBi / 16.6dBi @70’

Front to back .............................. 25 dB Typical

Beamwidth ............................... E=46° / H=60°

Feed type ................................... Hair pin match

Feed Impedance........................ 50 Ohms Unbalanced

Maximum VSWR ....................... 1.2:1

Input Connector ......................... SO-239, Others avl.

*Subtract 2.14 from dBi for dBd / FS = Free Space

Power Handling ......................... 3 Kw, Higher avl.

Boom Length / Dia ..................... 59’ / 3.0 x .125 Wall

Element Length / Dia. ................ 36.5’ / 1 1/4” –1/2”

Turning Radius: ......................... 40’

Stacking Distance ...................... 65’ -70’

Mast Size ................................... 2” to 3 ” Nom.

Wind area / Survival .................. 16 Sq. Ft. / 125 MPH

Weight / Ship Wt. ....................... 240 Lbs. / 270 Lbs.

FEATURES:

The 20M6-125 is a medium spaced, high performance, full band coverage 6 element Yagi, computer optimized to
squeeze the last drop of performance from this boom length. The design provides virtually flat gain, exceptional front to
back and excellent VSWR never exceeding 2:1 at the upper band edge. Larger, sleeved elements and boom provide the
125 MPH wind survival factor. Construction includes machined boom to element mounting plates and a rugged hairpin
match. This antenna will be in the air for many years, keeping you on the top of the pileup in spite of Mother Nature!
There is no finer, stronger antenna available today.

M2 Antenna Systems, Inc. 4402 N. Selland Ave. Fresno, CA 93722

Tel: [phone] Fax: [phone] Web: www.m2inc.com

©2016 M2 Antenna Systems Incorporated

01/20/16

Rev.03

20M6-125 DIMENSION SHEET

NOTE:

HAIRPIN HAS BEEN ROUTED
TO THE REAR OF ANTENNA.
(SEE HAIRPIN ADDENDUM
FOR MORE INFORMATION).

20M6-125 ASSEMBLY DETAILS