This antenna has installation plate with two U-bolts and V-block for installation at towers and poles up to 1.75-inch in diameter. EFHW-4010-1K-Plus Multi-Band End Fed Half Wave Antenna.
This is an End-Fed Half-Wave (EFHW) antenna for 40/20/15 and 10m bands. Unlike many END FED antennas on the market, this one does not require the Antenna Tuner to operate. It is a resonant Half wave on 40m (7MHz) therefore also resonant on second, third, and fourth harmonics.
The antenna transformer is optimized for the lowest insertion loss 3.5-30MHz featuring three stacked cores and a transformation ratio of 56:1 (2800:50 Ohms) The average loss of less than 0.4dB is unmatched by any other similar transformer on the market proving our worldwide leadership in the design of high ratio-wide bandwidth RF transformers for 3-30MHz. This is the smaller version of our. Grounding of cable at the entrance to the home is recommended.250W continuous in digital modes such as FT8. Stealth #16 AWG XLPE black wire. NOTE: grounding does not affect antenna tuning. If the transformer box is installed high above the ground , there is no need to route the ground wire from the box, instead just ground the coaxial cable at the entrance to your home or at the station. No guarantee or liability is either expressed or implied pertaining to damages to persons, buildings, or equipment in the installation or use of our antennas. You must use extreme caution when working around power lines. If the antenna were to come into contact with a voltage carrying line it could be fatal. The item "End Fed Antenna EFHW-4010-1K-Plus / Installation-plate /LOW SWR/ 63 feet long" is in sale since Saturday, February 24, 2018.
This item is in the category "Consumer Electronics\Radio Communication\Antennas\Ham, Amateur Radio Antennas". The seller is "myantennas" and is located in Tampa, Florida. This item can be shipped worldwide.