[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 2018 RC232 Q&A Related Knowledge Base Posts -[RC232] How this lower frequency does effect to the range?[RC232] Do you have an Unlimited modular approval FCC / IC + EN Test results?[RC232] Do your radios have any kind of Listen Before Talk feature ?