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Recently, I decided to play around some more with digital modes while mobile,
using my Signalink USB device to connect either laptops or cell phones and
tablets to my HTX-212 2m transceiver. It is an old radio, so I had to dig
around for a manual online to find the pin out for the microphone. Here is the
diagram if you need it:
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To make this work, I wanted to use a regular Ethernet cable between the
Signalink USB output and the HTX-212 microphone input. It was pretty straight
forward, but the connections inside the Signalink USB went like this on JP1:
MIC -> 5
PTT -> 6
GND -> 2
And that’s it, of course the speaker out jack on the HTX-212 accepts a 3.5mm
audio cable, which connects to the back of the Signalink USB “Speaker”
connection. With those plugged in, I was able to hook up my cell phone with
WoAD and do some Winlink in a few seconds! To God be the glory! You may want to
solder the connectors if this will be permanent, or you can put electrical tape
over the pins like I did, since I use the Signalink USB for different radios
all the time. Perhaps later I could make a little breadboard with the proper
wires and pins soldered on it.
Linux – keep it simple.