Ground gap inserted for lighting protection between both elements. Tested at 1000 Watts power rating for normal SSB. Balun is made of teflon wire winded over ferrite toroid. Made in Canada since over 30 years.
Was done for commercial use worldwide. The item "Balun 11 (50 to 50 Ohms) Voltage Type" is in sale since Thursday, March 21, 2013. This item is in the category "Consumer Electronics\Radio Communication\Antennas\Ham, Amateur Radio Antennas".
The seller is "crb5000" and is located in Rawdon, Quebec. This item can be shipped worldwide.