Forum: CAT-300 & CAT-300DX Repeater Controller

I have tried to persevere with my CAT300 but it isn't really suitable for a repeater in the UK...I would like to swap it for a Zetron 38A, so if you...

We have a 300DX attached to a GE MstrII. For some unknown reason the squelch tail is extrememly long when keying up (30 secs). Have tried to adjust...

Hi I seem to have a issue with setting the time on a 300DX I picked up to use as a spare. I have loaded the configuration from our existing 300DX...

I have a laptop without a serial port, will a USB to Serial adapter work with the 300 software to connect to the serial interface? 73 Doug W9NWN

I just left a new thread on the 1000-MF board a few days ago, and it came to me the we (my club members) have been using the CAT 300DX controller...

Hello, looking for a CI-300 if anyone has one that is excess to their needs. Thanks, Doug, W9NWN

I am looking for the schematics for the CAT 300 and 300DX controllers. I have downloaded the pdf file and the schematics are not in the file. Any...

Hi All, Is the upgrade form 300 to 300DX still available?....If so, where from and how much please? Cheers Dave...

Hi All, Here in the UK the ident must be sent out every 15 mins regardless of activity but I can't find how to do this in the manual....Can it be...

I'm new to Cat controllers I picked up this 300DX on Ebay and am having a problem with it when you power it up you can hear the phone patch relay...