I am told by the seller that it will do loop/rs232 and some other stuff! > Output is RS232 or Mil-188c or Loop if desired,external power supply > required max loop current 80ma. and 350 max 350 volts arc. > rttyman http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3010921877 What do ya make of that? Looks kinda neat with the LED frequency displays (supersize the pictureS)