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XPR 4550 setup




I'm using a Pi 3b+ with a purchased micro SD card from mygmrs.com. It runs fine and I see my node on the map. I'm trying to interface my Motorola XPR 4550 radio and modified CM108 sound fob to use with my node. Does anyone have experience with this?

I'm particularly interested in the simpleusb settings. I've tried multiple settings (i.e. no, usb and usbinvert) in both the carrierfrom = and the ctcssfrom= lines and can't seem to find the correct combination. Thanks in advance for any insight.

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