ALMOcN 5 Pack TTL to RS485 Adapter Module 33V 5V 485 to TTL Signal Single chip Serial Port Level converter Borad with RXD, TXD IndicatorParameters: Operating voltage range: Dc 30V 30V Operating temperature range: -40 to +85 Baud rate: 110 256000bps Features: 1compatible with 33V and 50V signals, can match the module This module fully considered..