1. High speed and always on-line 2. Has SMS application toolkit 3. Send & receive data and SMS 4. Wavecom GSM GPRS Modem RS232. Wavecom Fastrack Supreme 20 modem (Best) The Fastrack Supreme 10 and Fastrack Supreme 20 are discrete, rugged cellular Plug& Play Wireless CPU® Offering state-of-the-art GSM/GPRS (and EGPRS for Fastrack Supreme 20) connectivity for machine to machine applications. Fully certified, the quad band 850/900/1800/1900 MHz Fastrack Supreme 10 offers GPRS Class 10 capability and Fastrack Supreme 20 offers GPRS/EGPRS Class 10 capability. RS232 GSM/GPRS modem Based on wavecom modules Q24plus 850/900/1800/1900mhz Pppp. Tcp. Udp. Http. Smtp. Pop3 OpenAT. STK Rs232 gsm/gprs modem Model: AT-q24R Wireless access to internet Based on wavecom modules Q24plus With TCP/IP stack Internet services: PPP. TCP. UDP. HTTP. SMTP. POP3 Open AT Flash memory 32MB. Psram 16MB 850/900/1800/1900MHZ 3V SIM card slot DB9 RS232 interface SIM application toolkit Double tone multi-frequency function(DTMF) Send and receive data. E-mail. Sms Gprs class 10 Antenna with high sensitivity Always On-line Comply with ETSI gsm phase2+standard Output power Comply with ETSI GSM PHASE2+Standard Output power Class 42w@850/900mhz Class 11w@1800/1900mhz I input voltage 5v-36v DC Input current 1A-2A Standby current 100-140ma Working temperature -20degrees-+degrees Storage temperature: -25degrees-+55degrees Storage temperature: -+25degrees -+70degrees Size 76*54*25mm Weight 100g Accessories: AC/DC adaptor. Rs232 cable. Antenna. 2 mounting plates. CD Specification for data GPRS class 10 max. 85.6kbps downlink Pbcch support Coding schemes CS 1.2.3.4 Csd up to 14.4kbps Specifications for sms via GSM/GPRS Point to point MOand MT Sms Cell broadcast. Transmission Rate: 128Kbps.