I do not know this person and I have not contacted him regarding what he has for sale ... Here is what was posted in the contact us link. 
Phil

My father built radio controlled airplanes. He has passed and my Mother would like to find someone interested in purchasing the radios (3) and any other items that may be of interest.
Please let me know if you are interested.
Thank you

Scott Shelhamer
SCS186@AOL.COM