microcontroller - Is there any way to use Half Duplex RS485 without using a dedicated controller pin for RE - DE? - Electrical Engineering Stack Exchange
Transceptor inalámbrico de 2,4 GHz RS232 RS485, módem de salto de frecuencia de largo alcance (2G4D20), dúplex completo, 20dBm, SMA-K, 2,0 km - AliExpress
Industrial-Strength Full Or Half Duplex Isolated RS-485 Transceivers - Copperhill
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Top 7 design questions about isolated RS-485 transceivers - Analog - Technical articles - TI E2E support forums