Hugo on X: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated
Experimenting with SA818 miniature RF modules
Further experiments with SA818 transceiver modules - SVXLink simplex node
Portable Radio Shari Sa818 Ham Radio Interface Compatible With 2/3/4 | Fruugo IT