[RC232] Are the modules full duplex ? Module is half duplex. Sent and receive but not at the same time. Last Update: August 8, 2017 February 3, 2017 2286 RC232 Q&A Related Knowledge Base Posts -[RC232] Is there any possibility to replace the 1780HP by a module certified for North America and with the same (or closed) range?[RC232] Can a channel scan feature be added?[RC232] Are all the connections on P5 necessary for a Microcontroller? Or are the pins Config/TXD/RXD/GND sufficient?