I have a clean good working Model 516 ARGO V with txco and cooling fans. Comes with manual, hand mic, power cord and a Mod 705 desk mic. Non smoking shack, never mobile. I take paypal, $535 shipped CONUS. Also, model 715 Speech Processor, 8 pin, with manual,ps and cable VGC $140 shipped CONUS. Jack KA1GM