Unit is from a local estate of a avid amateur radio operator. Unit powers on and when you key it up it draws 12-13 amps but does not produce output. I do not know the purpose of the sealant is. Unit is offered %100 as is, not working. No refunds or returns for any reason whatsoever. 

Questions ? For fastest response see my ebay about me page to contact me. 73s & Check out my other items! Sign up for my email newsletters by adding my eBay Store to your Favorites to see all kinds of upcoming ham gear listings. Shipping costs quoted are for the lower 48 states only. Alaska & Hawaii will be determined   

Please examine the photographs as there are an important part of the description in every listing. 73s &  check out my other listings for all kinds of upcoming ham radio gear Shipping costs quoted are for the 48 lower states ONLY. Alaska & HI to be determined