[RC232] Should these boards transmit and receive data to each other out of the box? Or, must their addresses and channels be configured first? Yes, the demo kit shall work out-of-the box. Last Update: August 8, 2017 December 13, 2016 2243 RC232 Q&A Related Knowledge Base Posts -[RC232] Can I use the RC1190HP in US?[RC232] How can it be that the latest batch have an older hardware, but newer software?[RC232] In your schematic i can see four connections on the RF Antenna port, A66 0 Ohm Resistor to a LGA Pad, L-Bead to Connector P6, Resistor to UFL Connector P3 ,Resistor to hole. Which of them are necessary for the antenna?