Siemens gsm gprs communication processor 6gk7242 7kx30 0xe0 siemens 6gk7242 7kx30 0xe0 p the siemens 6gk7242 7kx30 0xe0 is a gsm gprs communication processor for data transmission using gprs for the simatic s7 1200 using the cp 1242 7 communications processor the s7 1200 can be connected to gsm networks the cp 1242 7 allows wan communication from remote stations with a control centre and inter station communication p p the cp 1242 7 supports the following services for communication vi