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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 

8/17/22 

Rev.00 

Model  ......................................... 393CP18 

Frequency Range ....................... 389-396 MHz 

*

Gain .......................................... 14.39 dBi 

Front to back .............................. 22 dB Typical 

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

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

 

Maximum VSWR ........................ 1.6:1 Typical 

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

Power Handling .......................... 1 kW 

Boom Length / Dia ...................... 80” / 1” 

Maximum Element Length .......... 16” 

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

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

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

Wind area / Survival ................... 1.0 Sq. Ft. / 100 MPH 

Weight / Ship Wt. ........................ 7 Lbs. / 9 Lbs. 

 

 

M2 Antenna Systems, Inc. 

Model No: 393CP18 

SPECIFICATIONS: 

*Subtract 2.14 from dBi for dBd 

FEATURES: 

 

The 393CP18 is 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 like ATV, repeater operation, and long haul tropo DX. 

 

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

performance. Internal connections 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: that’s the M

2

 393CP18 ! 

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