[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 1263 RC232 Q&A Related Knowledge Base Posts -[RC232] Is it possible to program the frequency between to 240-378MHz?[RC232] The MAX input power is 10dBm. What appen if the module receive a greater power? Just the signal make worse or the module could be damaged? In case could you suggest a protection circuit?[RC232] Does your module (RC1780HP-RC232) have frequency hopping function?