No user-serviceable parts inside? Give me a break! The head unit is tough to get to, but the PCBs within the chassis use ...

Ultimately, the best PCB antenna design is one where there is no nearby copper fill, and there are no traces running near or on layers below the antenna. After all, any metal trace or component is ...

leaving behind your PCB design. You’ll still need to chemically etch the board, and if you’re using through-hole components, manually drill your holes. But compared to some of the old school ...