cos

I am looking for some help to find what is needed to modify a CM108 usb audio card to serve as a PTT for a radio and pc. I have also attempted to find what is needed to make a usb/ttl and rs232/ttl devices work all with no luck. All of the posts I am finding is for using these devices with...

Ok first off I know that simulcasting would be simple if we used two mobile radios with accessory ports programmed for such however being a volunteer department we are trying to avoid spending $5,000 on a mobile P25 Phase II Radio. We are a volunteer department that is in the process of...