[RC232] Are the RC1140 and RC1240 compatible No. They are not compatible. Last Update: August 8, 2017 July 7, 2017 2243 RC232 Q&A Related Knowledge Base Posts -[RC232] Should RC1140 be better than RC1180for this application because attenuation on water will be lower a at 433 ?[RC232] Can you please confirm the width of the PCB trace from the RF pin of the RC1140-RC232 to the copper pad we use to connect a wire antenna in order to achieve 50 ohms Z0? We’ve also done the layout so the power plane has a cutout below the microstrip.[RC232] Question regarding RC232 in Star mode (many to one). If more than node will transmit at same to central point – will RC232 protocol queue data somehow, or there will be collision or data will be lost?