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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 Incorporated 

09/30/15 

Rev.00 

Model  ......................................... 235-11 
Frequency Range ....................... 230 To 240 MHz 

*

Gain .......................................... 15.07 dBi 

Front to back .............................. 23 dB Typical 
Beamwidth   ............................... E=30 deg. H=35 deg. 
Feed type ................................... “T” Match 
Feed Impedance. ....................... 50 Ohms Unbalanced

 

Maximum VSWR ........................ 1.5:1 Max 
Input Connector .......................... “N” Female 

Power Handling .......................... 1200W 
Boom Length / Dia ...................... 141” / 1-1/2” 
Maximum Element Length .......... 25-3/4” 
Turning Radius: .......................... 80” 
Stacking Distance ....................... 84” High & 80” Wide 
Mast Size .................................... 1-1/2” to 2” Nom. 
Wind area / Survival ................... 1.1 Sq. Ft. / 100 MPH 
Weight / Ship Wt. ........................ 8 Lbs. / 13 Lbs. 
 

M2 Antenna Systems, Inc. 

Model No: 235-11 

FEATURES: 

 

Performance has been computer optimized to meet your application. Physical construction 

emphasizes long term electrical and mechanical durability. Elements are rod 5/16” 6061-T6 alumi-
num, grounded to the boom.  The driven element “T” Match uses a CNC machined central block with 
O-ring sealed connectors. Internal connections are encapsulated in a silicone gel with a dielectric 
strength 3.7 times greater than air for enhanced power handling. Balun connectors are triple O-ring 
sealed to the coax. 

 

SPECIFICATIONS: 

*Subtract 2.14 from dBi for dBd 

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