RS232 GSM/GPRS Modem Pool(8port) Based Wavecom module Q24 Plus PPP, TCP,UDP,HTTP, SMTP, POP3 4800 SMS or 2600 MM GSM/GPRS ... RS232 Modem Pool(8 port) Q24PLUSWireless access to internetRS232 interfaceBased Wavecom ... , POP38 SIM card slots850/900/1800/1900 MHz Comply with GSM Phase2 standardSend and receive SMS, MMS, e-mail and datainput ...