[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 2790 RC232 Q&A Related Knowledge Base Posts -[RC232] Is it possible to program the frequency between to 240-378MHz?[RC232] What is the maximum output power for RC1190-RC232 in 900MHz band, 5dBm or 9dBm?[RC232] What should I check to confirmt that my module is correct connected