Good isolation between transmit and receive ports
Instead of typical lossy can traps
The other meter can be selected to read Plate Voltage
Fully assembled -- simply attach radiators -- no tuning required
9 feet fully extended
MFJ-1904HD, FIBERGLASS POLE,25FT,7 4FT SEC,1~-2-1/2~,W/Q.CLAMP Features_Interface Good isolation between transmit andFiberglass Mast, 25 feet 7 Four foot sections with QuickClampsTM Super strong heavy duty telescoping mast is made of . 125 " thick wall fiberglass tubing. This mast supports weight including yagis, verticals, loops, full size dipoles, G5RVs and more. 22 ft. extended, 5 ft. collapsed, Weighs 9 lbs. Comes with military quality UV protected QuickClamps. This HD model includes extra heavy duty, 2 " OD bottom and 1" OD top sections.