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Hand held radio interface for NBEMS

posted Jan 28, 2014, 9:58 AM by Douglas B. McKay   [ updated Jan 28, 2014, 10:33 AM ]
I have been experimenting with making interface units for use with NBEMS and handheld radios. They use a couple of isolation transformers and plug directly into the radio and the computer to make digital transmissions automatic and noise free. I currently have several units in various stages of production. If any locals would like one, please email me. I will sell them for the price I paid for the parts ($15-25 depending on options). See my blog post to learn more about them.

I also plan to see if I can make one that allows listening and transmitting on voice while still plugged into the radio.