Corey, That device is definitely for a Mastr II radio, and it definitely plugs into the same place as a Channel Guard module. However, I cannot find any reference to that module in the RBTIP GE files.
Curiously, Dale K0JXI, posted an identical request for info on the same board, five years ago: <www.mail-archive.com/[email protected]/msg19706.html> 73, Eric Lemmon WB6FLY -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of nativeMT Sent: Friday, July 23, 2010 3:23 PM To: [email protected] Subject: Re: [GE Mastr II] Help ID 19C321936G2 Eric, Here are links to the front and back of the board. http://kc7mrq.home.bresnan.net/pics/front.jpg http://kc7mrq.home.bresnan.net/pics/back.jpg Have a great day, Corey --- In [email protected] <mailto:GE-MastrII%40yahoogroups.com> , "Eric Lemmon" <wb6...@...> wrote: > > Corey, > > I'm not surprised, because 19C321936G2 is not a valid module or component > number. My complete GE microfiche file leaps from 19C321931 to 19C321954. > Is this number stamped in black ink along one edge of the board? If not, it > may be for a hardware item such as the bare PC board or a bracket. Please > describe what model radio this board is in, and what connections go to and > from it. A picture would be great. > > 73, Eric Lemmon WB6FLY > > > -----Original Message----- > From: [email protected] <mailto:GE-MastrII%40yahoogroups.com> [mailto:[email protected] <mailto:GE-MastrII%40yahoogroups.com> ] On > Behalf Of nativeMT > Sent: Wednesday, July 21, 2010 7:56 PM > To: [email protected] <mailto:GE-MastrII%40yahoogroups.com> > Subject: [GE Mastr II] Help ID 19C321936G2 > > > > Am having a hard time finding any information on this board. > > Thanks, > Corey

