Can anyone tell me what these units sold for when new. This is the relay box interface between the FT 757 and an amplifier. Thank you David Knepper, W3ST/W3CRA Publisher of the Collins Journal Secretary of the Collins Radio Association www.collinsra.com Join today Nets: 14.263 Mhz, 1900Z, Sundays 3.805 Mhz, 2300Z, Mondays