- Base of each whip features a standard ? – 24 mounting stud for installation on mobile or fixed antenna mounts
- 16.9 feet fully extended
- Telescopes for full ¼ Wave operation on 20 Meters without loading coil and 30 / 40 / 60 / 80 / 160 Meters with loading coil.
- Collapses to 27 inches
- ? inch diameter by 2 ? inch long chrome plated brass base
20M Extra-Long Telescopic Antenna MFJ’s premium stainless steel telescopic whips are the perfect choice for building collapsible multi-band dipoles, mobiles, portable and base antennas. They are great for traveling, mini DXpeditions, vacations, etc.