This node is used as a mobile node in my car. It is a Raspberry Pi 2 running the WA3DSP image located here Asterisk Allstar on the BBB and Raspberry Pi. The interface is the DMK URI. It is wired to the Baofeng 888 node radio. The modification is made from the instructions contained here including the power supply : Baofeng 888 as a Allstar Node Radio.

The Pi has a Edimax WiFi FOB used to connect to my Iphone hotspot while mobile. It also uses a battery extender to power the PI so it does not reboot every time you start the car.

Check the current status of Node 27231

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Joe
N3FHW