RS485 GSM/GPRS modem based on Wavecom module Q24 Plus 850/900/1800/1900MHZ ... ,TCP, UDP, HTTP, SMTP, POP3 open AT,STK RS485 GSM/GPRS MODEMModel: G-Q24R Product description:Industrial designAluminum casingWireless access to ... internetBased on Wavecom module Q24 PlusWith TCP/IP stackInternet Services: PPP,TCP, UDP, HTTP, SMTP, POP3Open ATFlash memory ...