[RC232] “Please confirm that: RC1180/1140 and 1190 have exactly the same foot print/pin out… The goal being to have only one PCB and the same print for the 3 modules. “ The fooprint and the software is exactly the same on these modules. Last Update: November 9, 2017 November 9, 2017 3101 RC232 Q&A Related Knowledge Base Posts -[RC232] Which RC232 module is recommend for India?[RC232] RC1290 – What is the FCC number and the emission designator? RC110HP – What is the emission designator?[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?