M2 Antenna Systems 440-6SS Assembly Manual

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

Tel: (559) 432-8873 Fax: (559) 432-3059 Web: www.m2inc.com 

©2015 M2 Antenna Systems Incoporated 

05/28/15 

Rev.01 

Model  ......................................... 440-6SS 

Frequency Range ....................... 420 To 450 MHz 

*Gain .......................................... 11 dBi 

Front to back .............................. 18 dB Typical 

Beamwidth   ............................... E=55° H=65° 

Feed type ................................... Gamma Match 

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

Maximum VSWR ........................ 1.5:1 

Input Connector .......................... SO-239 

Power Handling .......................... 500 Watts 

Boom Length / Dia ...................... 36” / 1” 

Maximum Element Length .......... 13-5/8” 

Turning Radius: .......................... 34-1/8” 

Stacking Distance ....................... 27” High & 30” Wide 

Mast Size .................................... 1-1/2” to 2” Nom. 

Wind area / Survival ................... 0.3 Sq. Ft. / 75 MPH 

Weight / Ship Wt. ........................ 3 Lbs. / 4 Lbs. 

M2 Antenna Systems, Inc. 

Model No: 440-6SS 

FEATURES: 

New licensed Hams will find the 440-6SS  a low cost, medium performance antenna to be a great choice for a starter an-

tenna without compromising quality. A single heavy duty mounting cradle and stainless steel hardware, give you the confi-

dence of quality construction you have come to expect from M2. Built with size and portability in mind, this antenna is 

great for Field Days, Mountain Topping, Fox Hunts, DXpeditions and ATV use. The antenna breaks down to no more than 

36” long, making it a natural for trips.  

SPECIFICATIONS: 

*Subtract 2.14 from dBi for dBd