I have surplus to my needs a DEMI L144-28INT intermediate transverter, See http://www.downeastmicrowave.com/PDF/Manuals/L144-28INT.PDF for a detailed description. This unit is essentially unused and fresh back from DEMI after minor service to the LO. Price $200.00 plus USPS priority mail from 25437. 73s Fletch K3JYD FM09qk