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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 

©2022 M2 Antenna Systems Incorporated 

08/24/22 

Rev.03 

Model  ......................................... 303CP26 

Frequency Range ....................... 298 To 308 MHz 

*

Gain .......................................... 15.14 dBic 

Front to back .............................. 20 dB Typical 

Beamwidth   ............................... 30° Circular 

Feed type ................................... “T” Match 

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

 

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

Input Connector .......................... “N” Female 

Power Handling .......................... 1.5 kW 

Boom Length / Dia ...................... 140.625” / 1” 

Maximum Element Length .......... 20” 

Turning Radius: .......................... Call 

Stacking Distance ....................... Call 

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

Wind area / Survival ................... 0.6 Sq. Ft. / 100MPH 

Weight / Ship Wt. ........................ 5 Lbs. / 7 Lbs. 

 

M2 Antenna Systems, Inc. 

Model No: 303CP26 

FEATURES: 

 

The 303CP26 is a practical sized, yet high performance circular polarized antenna with a remarkably clean pattern. The 

pattern is important in order to match the antenna’s noise temperature with modern low noise preamps. This antenna is 

ideal for satellite work but is also excellent for terrestrial uses. 

 

The CNC machined driven element module is O-ring sealed and weather tight for low maintenance and long-term peak 

performance. Internal connected are encapsulated in a space-age silicone gel that seals out moisture and improves     

power handling. The 3/16” 6061-T6 rod elements are centered to minimize interaction and maintain good ellipticity.       

Insulators are UV stabilized and locked in place with stainless keepers.  Rugged  construction,  uncompromising          

performance for the boom length. 

SPECIFICATIONS: 

*Subtract 2.14 from dBi for dBd 

Summary of Contents for 303CP26

Page 1: ... The 303CP26 is a practical sized yet high performance circular polarized antenna with a remarkably clean pattern The pattern is important in order to match the antenna s noise temperature with modern low noise preamps This antenna is ideal for satellite work but is also excellent for terrestrial uses The CNC machined driven element module is O ring sealed and weather tight for low maintenance and...

Page 2: ...y but firmly with a 7 16 inch end wrench TO PREVENT POSSIBLE CABLE DAMAGE hold the body of the connector with pliers so it doesn t rotate during this final tightening operation 6 Connect the long 22 1 2 phasing cable to the single TOP connector on the FRONT driven element and route the cable back to the side connector on the phasing block Again tighten both ends first by hand and then finally with...

Page 3: ...303CP26 DIMENSION SHEET H V ...

Page 4: ...ght on that end Position the boom to mast plate accordingly attaching it to the boom with the 1 1 8 inch U bolts cradles and nuts 16 Circular polarized antennas such as this antenna must be mounted on non metallic masts or support booms and the feedlines must run off the back of the boom so as not to disturb the standing wave ratio and the circular properties of the antenna If this antenna is to b...

Page 5: ... 7 5 RG 6 1 BOOM TO MAST PLATE 188 X 4 X 6 1 U BOLT 1 1 2 AND CRADLE 2 U BOLT 1 1 8 AND CRADLE 2 ASSEMBLY MANUAL 1 HARDWARE BAG SHORTING BARS 1 4 X 3 4 X 1 1 2 ALUMINUM 4 BUTTON INSULATORS 52 ELEMENT KEEPERS 52 SCREW 8 32 X 1 1 4 SS 7 SET SCREW 8 32 SS 8 LOCKWASHER SPLIT RING 8 4 NUT 8 32 SS 4 NUT 5 16 18 SS 8 LOCKWASHER 5 16 18 SS 8 NYLON TIE 5 PUSH TUBE 3 8 X 3 1 ALLEN WRENCH 5 64 1 M2 ANTENNA S...

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