By programming your AR-5 radios to operate on FRS channels ... 🇧🇩 [Update: I have also acquired a Baofeng BF-888S and a Pxton PX-888s radios since the last picture was taken. I can confirm the above ...

For the hardware, [KP4TR] is using a Raspi, a Baofeng BF-888s 400MHz – 470MHz walkie-talkie radio, a USB sound card, and a pair of transformers for the 5V and 3.7V lines. All this is tucked away ...