[RC232] I would like to know how to use the pins N°27 and 28 on the RC2500HP Pin 27 and 28 must be left open. Last Update: August 8, 2017 December 20, 2016 1896 RC232 Q&A Related Knowledge Base Posts -[RC232] What is the maximum output power for RC1190-RC232 in 900MHz band, 5dBm or 9dBm?[RC232] How can we make a repeater? Do you have a model or we could do it with two modules?[RC232] How can I reuse the CE marking on the radio module for my product?