mc52i gprs modem rs232; 1.Wireless access to internet 2.Based on Cinterion module MC52I 3.Wireless access to internet mc52i gprs modem rs232Industrial designAluminum casingWireless access to internetBased on Cinterion module MC52I900/1800MHZwith TCP/IP stack Product descriptionInternet Services: PPP,TCP, UDP, HTTP, FTP, SMTP, POP3Comply with ETSI GSM phase 2+3V SIM card slotTTL interfaceSIM ...