Other products by Channel Master
Item #: MT1820
Part #: CM1820
Reg. Price: $79.95
Our Price: $69.95
Product Availability:  


Channel Master CM1820 Telescoping Mast Antenna 17' FT  Steel Push Up Heavy Duty Galvanized 18 AWG, Part # MT1820 

The Channel Master CM 1820 is a 20 foot long, 18 gauge, high quality galvanized telescoping steel mast used for TV antenna mounting, as well as other antenna and specialty applications. The mast is weather resistant, strong and durable and comes with guy rings, mast clamps and platform pins making it ready to install.  Channel Master recommends using guy wire for all antenna installations using masts over 10 feet. 

All Channel Master telescoping mast outer diameters start at 1-1/4 inch at the top section and increase by ¼ inch for each of the sections below.

Height describes the total pipe length. Due to overlapping, extended masts will be shorter. 17' 4" max height, 18 gauge steel galvanized Telescoping Mast

  • 17' 4" max extended length 
  • 18 gauge steel galvanized Telescoping Mast 
  • Section diameter & gauge: 1 1/4 - 18Ga (.052), 1 1/2 - 18Ga (.052)

Please note: This item has been shortened from the factory delivered length to be UPS/FedEx shippable and that has reduced the total installed height.


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