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Masters Communications DRA-Pi-Zero

The DRA-Pi-Zero is a Masters Communications radio adapter in the Raspberry Pi Zero form factor — a CM119A-based interface that mounts on a Pi Zero / Zero 2 W to build a very compact node or digital-modes station. Why it matters: Combines the proven DRA/CM119A interface electronics with the smallest, lowest-power Pi, ideal for a tiny personal micro-node. Software-calibrated audio levels like the rest of the DRA line. Use: Pairs with a Pi Zero 2 W for a palm-sized node. Confirm the receive-audio attenuator and COS/CTCSS jumper settings for your radio.