M2 Antenna Systems 235-11 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 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